Evolutionary Dynamics of Cyprideidae: Supplementary Text 1

SUPPLEMENTARY TEXT 1

Fossil Occurrences

Cypridea aaleyensis Bischoff, 1963

Barremian to Lower Aptian Abeih Formation (Bischoff, 1963; Sanjuan et al., 2021a); Hauterivian to Barremian L-2* zone (Rosenfeld et al., 1988; Rosenfeld et al., 1995; Rosenfeld et al., 1998) of Helez Formation (Rosenfeld and Raab, 1984).

Cypridea acicularis Krömmelbein and Weber, 1971

RT-003.1 zone of the Candeias Formation, co-occurring with Cypridea sellata Viana, 1966b (Mendes et al., 2020); RT-002.2 to RT-003.1 zones (Poropat and Colin, 2012; Mendes et al., 2020) of Candeias Formation (Krömmelbein and Weber, 1971; Almeida-Lima et al., 2022).

Cypridea aculeata Jones, 1885

Cypridea bispinosa subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1939; Anderson et al., 1967; Anderson, 1985; Flannery Sutherland et al., 2017).

Cypridea aemulans Anderson, 1985

Cypridea granulosa to Cypridea bispinosa subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985).

Cypridea ahlmadoensis Luger and Schudack, 2001

Lower Aptian Tisje Formation (Luger and Schudack, 2001).

Cypridea alcaramae Kneuper-Haack, 1966

Valanginian of Cameros Sub-basin (Kneuper-Haack, 1966; Schudack and Schudack, 2009).

Cypridea aleksandrowiensis Sztejn, 1991

Subzones B to C (Bielecka and Sztejn, 1966; Marek et al., 1988; Sztejn, 1991; Dziadzio et al., 2021) of Central Poland (Sztejn, 1991).

Cypridea alta Wolburg, 1959

Cypridea propunctata subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson et al., 1971; Anderson, 1985); W3 to W4 zones (Wolburg, 1959; Schneider et al., 2019) of Northern Germany (Wolburg, 1959; Strauss et al., 1993; Schudack, 1994); Netherlands (Herngreen et al., 2000); Jydegaard Formation, Denmark (Christensen, 1963).

Cypridea altilis Krömmelbein and Weber, 1971

RT-004 zone of Ilhas Group, below the occurrences of Reconcavona uniacantha Krömmelbein, (Krömmelbein and Weber, 1971) which spans RT-005.1 to RT-005.3 zones (Moura, 1972; Poropat and Colin, 2012)

Cypridea altissima Martin, 1940

Cypridea granulosa to Cypridea propunctata subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson et al., 1971; Anderson, 1985); North Celtic Sea Basin (Colin et al., 1981); W2 zone (Wolburg, 1959; Schneider et al., 2019) of Northern Germany (Martin, 1940; Wolburg, 1959).

Cypridea ambigua Krömmelbein, 1962

RT-002.2 zone (Moura, 1972; Poropat and Colin, 2012) of Candeias, Itaprica (Krömmelbein, 1962), Sousa (Sousa et al., 2018; Sousa et al., 2019) Formations; Pre-salt Rift Basins of West Africa (Viana, 1966a; Bate, 1999).

Cypridea amerikana Musacchio, 1975

Within the 101.6 to 118.5 million years old (Marcelo Krause et al., 2020) strata of the Paso de Indios locality, Cerro Barcino Formation (Musacchio and Chebli, 1975; Musacchio, 1987; Musacchio, 1995).

Cypridea amisia Wolburg, 1959

Cypridea granulosa to Cypridea propunctata subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson et al., 1971; Anderson, 1985); W2 zone (Wolburg, 1959; Schneider et al., 2019) of Northern Germany (Wolburg, 1959); Vions Formation (Détraz and Mojon, 1989).

Cypridea andersoni Wolburg, 1959

Cypridea propunctata subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson et al., 1971; Anderson, 1985); W3 zone (Wolburg, 1959; Schneider et al., 2019) of Northern Germany (Wolburg, 1959).

Cypridea aragonensis Kneuper-Haack, 1966

Hauterivian to Barremian of Cameros Sub-basin (Kneuper-Haack, 1966; Schudack and Schudack, 2009).

Cypridea araripensis Silva, 1978

Lowermost Albian to Barremian (Lúcio et al., 2020; Barereto et al., 2022) of the Santana Group (Silva, 1978; Silva-Teles Jr and Viana, 1990; Berthou et al., 1994; Coimbra et al., 2002; Tomé et al., 2014; Nascimento et al. 2017; Guzmán et al., 2022; Guzmán et al., 2023; dos Santos Filho et al., 2023; Fauth et al., 2023; Nascimento et al. 2023); Aptian Alagamar Formation (do Carmo et al., 1999; do Carmo et al., 2013; do Carmo et al., 2018).

Cypridea arenosa Anderson, 1967

Cypridea bispinosa subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson et al., 1967; Anderson, 1985); Iberian Basin (Brenner, 1976).

Cypridea asseri Anderson, 1967

Cypridea bispinosa subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985).

Cypridea australis Musacchio, 1971

Agrio Formation (Simeoni and Musacchio, 1986), between Pseudofavrella angulatiformis (Behrendson) (formerly ‘ Lyticoceras ’ pseudoregale Gerth zone) and Holcoptychites nequensis Gerth ammonite zones (131-134 Ma; Aguirre Urreta and Rawson, 1997); Barremian (Leanza and Hugo, 1995) La Amarga Formation (Musacchio, 1971; Gallego and Shen, 2004; Ballent et al., 2011), San Jorge Gulf Basin (Musacchio, 1987; Musacchio et al., 1990; Musacchio, 1995) of Argentina; Orange Basin of South Africa (McMillan, 2003).

Cypridea baidarensis Bischoff, 1963

Barremian to Lower Aptian Abeih Formation (Bischoff, 1963; Sanjuan et al., 2021a); Hauterivian to Barremian L-2* zone (Rosenfeld et al., 1988; Rosenfeld et al., 1995; Rosenfeld et al., 1998) of Nabi Said Formation (Rosenfeld and Raab, 1984) and Ramim Mountains (Sohn, 1967).

Cypridea bapounou Grosdidier, 1967

AS-8 to AS-9 zones (Grosdidier et al., 1996; Bate, 1999; Poropat and Colin, 2012) of Pointe Noire (Grosdidier, 1967).

Cypridea bibullata (Wicher, 1959)

RT-006 zone (Moura, 1972; Poropat and Colin, 2012) of Ilhas Group (Wicher, 1959; Krömmelbein, 1962; Viana, 1966b; Mendes et al., 2020; Almeida-Lima et al., 2022); Pre-salt Rift Basins of West Africa (Bate, 1999).

Cypridea bimammata Harbort, 1907

Cypridea propunctata to Cypridea menevensis subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Harbort, 1907; Anderson et al., 1971; Anderson, 1985); North Celtic Sea Basin (Colin et al., 1981).

Cypridea binodosa Martin, 1940

OM6 zone (Wolburg, 1959; Schneider et al., 2019) of Norther Germany (Martin, 1940; Schudack, 1994); Netherlands (Sung, 1955; Spiker, 1967); French-Swiss Jura (Détraz and Mojon, 1989; Mojon, 1989); Paris Basin (Oertli, 1963); Subzones C to D of Central Poland (Marek et al., 1969; Bielecka and Sztejn, 1966; Bielecka, 1971; Marek, 1988; Marek et al., 1988; Sztejn, 1991; Dziadzio et al., 2021).

Cypridea bispinosa Jones, 1878

Cypridea menevensis to Cypridea bispinosa subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985). German records (Cypridea bispinosa sensu Wolburg, 1959) have been suggested to be a different species (Anderson et al., 1967; Elstner and Mutterlose, 1996) and have a different stratigraphical range (W2 zone). To avoid confusion, we did not consider German records in this study.

Cypridea blackbushensis Anderson, 1967

Cypridea menevensis to Cypridea bispinosa subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985).

Cypridea boulmanensis Andreu, 1991

Aptian Middle Atlas Synclinal Region of Morocco (Andreu, 1991; Andreu, 2002).

Cypridea brendae Anderson, 1985

Cypridea pumila subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1985).

Cypridea brevicornis Peck, 1941

Within the 105 to 110 million years old (Gentry et al., 2018; Foreman et al., 2022) Draney and Bechler Formations (Peck, 1941; Peck, 1951; Peck and Craig, 1962; Eyer, 1969)

Cypridea brevirostrata Martin, 1940

Cypridea propunctata to Cypridea menevensis subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985); North Celtic Sea and Fastnet Basins (Colin et al., 1981; Ainsworth et al., 1987); Netherlands (Sung, 1955).

Cypridea bubonulata Krömmelbein and Weber, 1971

RT-002.2 to RT-003.1 zones (Poropat and Colin, 2012; Mendes et al., 2020) of Candeias Formation (Krömmelbein and Weber, 1971).

Cypridea bullata Brenner, 1976

Upper Barremian to Aptian of Iberian Basin (Brenner, 1976).

Cypridea buxtorfi (Martin 1958)

W1 zone (Wolburg, 1959; Schneider et al., 2019) of Northern Germany (Martin, 1940; Martin, 1958).

Cypridea candeiensis Krömmelbein, 1962

RT-003.2 zone (Moura, 1972; Poropat and Colin, 2012) of Candeias Formation (Krömmelbein, 1962) and Abaiara Formation (Assine, 1992; Coimbra et al., 2002); Pre-salt Rift Basins of West Africa (Viana, 1966a; Grekoff and Krömmelbein, 1967).

Cypridea caudata Anderson, 1967

Cypridea fasciata subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985).

Cypridea cayelli Masiuk and Viña, 1988

Upper Barremian to Lower Aptian (Figari et al., 1999; Vallati, 2013; Cusminsky et al., 2022; De Sosa Tomas et al., 2023) Biozone 3 of Masiuk and Viña (1989) (Masiuk and Viña, 1988).

Cypridea cidacosia Kneuper-Haack, 1966

Hauterivian to Barremian of Cameros Sub-basin (Kneuper-Haack, 1966; Schudack and Schudack, 2009).

Cypridea clavata (Anderson, 1939)

Cypridea dorsispinata to Cypridea fasciata subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1939; Anderson, 1985; Nye et al., 2008).

Cypridea coelnothi Anderson and Bazley, 1971

Cypridea granulosa subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985).

Cypridea compta Peck, 1941

Within the 99 to 105 million years old (Gentry et al., 2018; Foreman et al., 2022) Bear River Formation (Peck, 1941); Within the 105 to 110 million years old (Gentry et al., 2018; Foreman et al., 2022) Draney and Smoot Formations (Peck, 1941; Peck and Craig, 1962; Eyer, 1969); Within the 98 to 124 million years old (D'Emic et al., 2019) Cloverly Formation (Peck, 1951); Thin limestone in Salt Valley (Lucas et al., 1997).

Cypridea comptonensis Anderson, 1967

Cypridea fasciata subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985).

Cypridea conjugata Krömmelbein and Weber, 1971

RT-007 zone (Poropat and Colin) of Lower São Sebastião Formation (Krömmelbein and Weber, 1971).

Cypridea cornuta Kneuper-Haack, 1966

Hauterivian to Barremian of Cameros Sub-basin (Kneuper-Haack, 1966; Schudack and Schudack, 2009).

Cypridea craigi Musacchio, 1975

Within the 101.6 to 118.5 million years old (Marcelo Krause et al., 2020) strata of the Paso de Indios locality, Cerro Barcino Formation (Musacchio and Chebli, 1975; Musacchio, 1987; Musacchio, 1995).

Cypridea cuckmerensis Anderson, 1967

Cypridea fasciata subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985; Wilkinson, 2008; Wilkinson, 2011).

Cypridea cymerata Musacchio, 1971

Barremian (Leanza and Hugo, 1995) La Amarga Formation (Musacchio, 1971; Ballent et al., 2011).

Cypridea cyrtorostralis Brenner, 1976

Upper Barremian to Aptian of Iberian Basin (Brenner, 1976); Upper Hauterivian to Barremian of Bouhedma Formation (Chnayna et al., 2021).

Cypridea daoudensis Andreu and Colin, 2003

Upper Hauterivian to Lower Barremian Iouaridène Formation of Morocco (Andreu et al., 2003).

Cypridea darvelensis Anderson and Bazley, 1971

Cypridea granulosa to Cypridea propunctata subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985).

Cypridea deklaszi Krömmelbein, 1965b

AS-8 to AS-9 zones (Grosdidier et al., 1996; Bate, 1999; Poropat and Colin, 2012) of Pointe Noire (Krömmelbein, 1965b).

Cypridea delicatula Anderson and Bazley, 1971

Cypridea granulosa subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985).

Cypridea delicatula Masiuk and Viña, 1988

Upper Barremian to Lower Aptian (Figari et al., 1999; Vallati, 2013; Cusminsky et al., 2022; De Sosa Tomas et al., 2023) Biozone 3 of Masiuk and Viña (1989) (Masiuk and Viña, 1988). This species name is a homonym of C. delicatula Anderson 1971.

Cypridea demandae Kneuper-Haack, 1966

Hauterivian to Barremian of Cameros Sub-basin (Kneuper-Haack, 1966; Schudack and Schudack, 2009) and Iberian and Morella Basins (Brenner, 1976).

Cypridea demnatensis Mojon et al., 2009

Kimmeridgian Iouaridène Syncline of Morocco (Mojon et al., 2009).

Cypridea dequeenensis Swain and Brown, 1964

Albian (Lock et al., 1983; Pittman, 1984; Scott et al., 2007; Smith and Rader, 2009) Glen Rose and De Queen Formations (Vanderpool, 1928; Lock et al., 1983); Atlantic coast wells of Swain and Brown (1972).

Cypridea diminuta Vanderpool, 1928

Within the 105 to 110 million years old (Gentry et al., 2018; Foreman et al., 2022) Bechler, Draney, and Smoot Formations (Peck, 1941; Peck and Craig, 1962; Eyer, 1969); Within the 110 to 115 million years old (Gentry et al., 2018; Foreman et al., 2022) Peterson Limestone (Peck and Craig, 1962; Eyer, 1969); Within the 98 to 124 million years old (D’Emic et al., 2019) Cloverly Formation (Peck and Craig, 1962); Albian (Lock et al., 1983; Pittman, 1984; Scott et al., 2007; Smith and Rader, 2009) Glen Rose and De Queen Formations (Vanderpool, 1928; Lock et al., 1983); Atlantic coast wells of Swain and Brown (1972).

Cypridea dolabrata (Anderson, 1939)

Cypridea propunctata to Cypridea menevensis subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1939; Anderson and Bazley, 1971; Anderson, 1985); North Celtic Sea and Fastnet Basins (Colin et al., 1981; Ainsworth et al., 1987); W3 zone (Wolburg, 1959; Schneider et al., 2019) of Northern Germany (Martin, 1940; Wolburg, 1959); Netherlands (Sung, 1955).

Cypridea dorsispinata (Anderson, 1939)

Cypridea granulosa subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1939; Anderson, 1985); North Celtic Sea and Fastnet Basins (Colin et al., 1981; Ainsworth et al., 1987).

Cypridea dorsoinclinata Colin, 1985

Upper Berriasian to Lower Valanginian Cala d'Inferno Series of Sardinia (Colin et al., 1985).

Cypridea dromedarius Krömmelbein, 1962

RT-004.3 to RT-004.5 zones (Moura, 1972; Poropat and Colin, 2012) of Ilhas Group (Krömmelbein, 1962); Fourou Plage of Gabon Basin (Grekoff and Krömmelbein, 1967).

Cypridea dunkeri Jones, 1885

Cypridea dunkeri to Cypridea granulosa subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1939; Barker, 1966; Anderson and Bazley, 1971; Anderson, 1985); North Celtic Sea and Fasnet Basins (Ainsworth et al., 1987; Ainsworth et al., 1989); OM5 to OM6 zones (Wolburg, 1959; Schneider et al., 2019) of Northern Germany (Martin, 1940; Arp and Mennerich, 2008); Netherlands (Sung, 1955; Spiker, 1967); French-Swiss Jura (Anderson, 1951; Steinhauser and Charollais, 1971; Mojon and Strasser, 1987; Détraz and Mojon, 1989; Mojon, 1989); Paris Basin (Oertli, 1963); Iberian Basin (Brenner, 1976; Schudack and Schudack, 2009); Subzones C to F of Central Poland (Bielecka and Sztejn, 1966; Marek et al., 1969; Bielecka, 1971; Marek, 1988; Marek et al., 1988; Sztejn, 1991; Dziadzio et al., 2021); Amara Formation of Romania (Sanjuan et al., 2021b).

Cypridea elisabethaensis Grekoff, 1957

AS-10 to AS-11 zones (Colin, 1994) of Loia Formation (Grekoff, 1957).

Cypridea ellipsoidea Krömmelbein and Weber, 1971

RT-004.1to RT-005.2 zones (Poropat and Colin, 2012; Mendes et al., 2020) of Lower Ilhas Group (Krömmelbein and Weber, 1971); RT-004.5 to RT-005.2 zones (Moura, 1972; Poropat and Colin, 2012) of Maracangalha Formation (Mendes Britto et al., 2022; Mendes Britto et al., 2023), co-occurring with Cypridea lunula Krömmelbein; Pre-salt Rift Basins of West Africa (Bate, 1999).

Cypridea eminens Grekoff and Krömmelbein, 1967

AS-6 zone (Poropat and Colin, 2012) of Shistes Noirs (Grekoff and Krömmelbein, 1967).

Cypridea fasciata Anderson, 1967

Cypridea fasciata subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985; Wilkinson, 2008; Wilkinson, 2011).

Cypridea faveolata Moura, 1972

RT-009.3 zone (Moura, 1972; Poropat and Colin, 2012) of São Sebastião Formation (Moura, 1972).

Cypridea feruglioi Musacchio, 1975

Within the 101.6 to 118.5 million years old (Marcelo Krause et al., 2020) strata of the Paso de Indios locality, Cerro Barcino Formation (Musacchio and Chebli, 1975; Musacchio, 1987; Musacchio, 1995). Cypridea frithwaldi Anderson, 1967

Cypridea bispinosa subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985).

Cypridea funduklensis Tesakova, 1996

Upper Berriasian of Crimea (Tesakova and Rachenskaya, 1996; Arkadiev et al., 2012; Savelieva, 2014; Savelieva et al. 2014; Arkadiev et al., 2015).

Cypridea gabonensis Grekoff and Krömmelbein, 1967

AS-4 zone (Poropat and Colin, 2012) of Bikoumé (Grekoff and Krömmelbein, 1967).

Cypridea garurensis Luger and Schudack, 2001

Lower Aptian Tisje Formation (Luger and Schudack, 2001).

Cypridea giffordi Anderson, 1967

Cypridea bispinosa subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985).

Cypridea granulosa (Sowerby in Fitton, 1836)

Cypridea dunkeri to Cypridea granulosa subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985); North Celtic Sea and Fastnet Basins (Colin et al., 1981; Ainsworth et al., 1987; Ainsworth et al., 1989); OM5 to W4 zones (Wolburg, 1959; Schneider et al., 2019) of Northern Germany (Martin, 1940; Martin, 1961); Netherlands (Sung, 1955; Herngreen et al., 2000); French-Swiss Jura (Détraz and Mojon, 1989; Mojon, 1989); Iberian Basin (Kneuper-Haack, 1966; Brenner, 1976; Schudack and Schudack, 2009); Subzones C to D of Central Poland (Marek, 1988; Marek et al., 1988; Sztejn, 1991; Dziadzio et al., 2021); Amara Formation of Romania (Sanjuan et al., 2021b); Aït Bazza Formation of Tunisia (Boumir et al., 2024).

Cypridea grekoffi Krömmelbein, 1965a

RT-004.1 to RT-004.2 zones (Moura, 1972; Poropat and Colin, 2012) of Candeias (Krömmelbein, 1965a) and Abaiara Formations (Coimbra et al., 2002); Pre-salt Rift Basins of West Africa (Bate, 1999).

Cypridea hadronodosa Krömmelbein, 1962

RT-003.2 zone (Moura, 1972; Poropat and Colin, 2012) of Candeias Formation (Krömmelbein, 1962); Pre-salt Rift Basins of West Africa (Krömmelbein, 1966; Grekoff and Krömmelbein, 1967; Bate, 1999).

Cypridea hamakoussouensis Colin, 1992

Barremian-Aptian (Colin et al., 1992; Colin and Dépêche, 1997; Menkem et al., 2024) Hama-Koussou Basin.

Cypridea hamata Anderson, 1967

Cypridea fasciata subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985).

Cypridea helenae Anderson, 1967

Cypridea bispinosa subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985).

Cypridea heliopolisensis Bischoff, 1963

Barremian to Lower Aptian Abeih Formation (Bischoff, 1963; Sanjuan et al., 2021a); Hauterivian to Barremian L-2* zone (Rosenfeld et al., 1988; Rosenfeld et al., 1995; Rosenfeld et al., 1998) of Nabi Said Formation (Rosenfeld and Raab, 1984) and Ramim Mountains (Sohn, 1967).

A subspecies of this species, Cypridea heliopolisensis hespera Krömmelbein and Weber, 1971, was described by Krömmelbein and Weber (1971) from the Candeias Formation, which roughly spans RT-002.2 to RT-004.2 zones, being Berriasian-Valanginian in age (Propat and Colin, 2012; Mendes et al., 2020). While C. heliopolisensis hespera indeed highly resembles C. heliopolisensis, the large age gap between records led authors to discern two subspecies and treat them as a separate set of records.

Cypridea hispida Anderson, 1985

Cypridea pumila subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1985).

Cypridea hollensis Grosdidier, 1967

AS-8 to AS-9 zones (Grosdidier et al., 1996; Bate, 1999; Poropat and Colin, 2012; Eldrett et al., 2023) of Pointe Noire (Grosdidier, 1967; Grosdidier and Bignoumba, 1984) and Dentale Formation (Eldrett et al., 2023).

Cypridea hystricoides Krömmelbein, 1962

RT-006 zone (Poropat and Colin, 2012; Mendes et al., 2020) of Uppermost Ilhas Group (Krömmelbein, 1962); Uppermost Hauterivian of the Orós Formation (dos Santos Filho et al., 2021a; dos Santos Filho et al., 2021b).

Cypridea hystrix Krömmelbein, 1962

RT-004.4 zones (Moura, 1972; Poropat and Colin, 2012) of Ilhas Group (Krömmelbein, 1962); Questionably from Quiricó Formation (Leite et al., 2018; Leite and Do Carmo, 2021; Leite and Do Carmo, 2023; Leite et al., 2024, see Coimbra, 2020; Coimbra, 2023).

Cypridea inaequalis Wolburg, 1959

Cypridea granulosa to Cypridea propunctata subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985); W3 zone (Wolburg, 1959; Schneider et al., 2019) of Northern Germany (Wolburg, 1959); French-Swiss Jura (Détraz and Mojon, 1989).

Cypridea indiennensis Krömmelbein, 1965b

RT-002.2 to RT-004.2 zones (Moura, 1972; Poropat and Colin, 2012) of Candeias Formation (Krömmelbein and Weber, 1971; Moura, 1972; Almeida-Lima et al., 2022); Point Indienne (Krömmelbein, 1965b).

Cypridea infima Krömmelbein and Weber, 1971

RT-002.2-RT-004.2 zones (Propat and Colin, 2012; Mendes et al., 2020) of Candeias Formation (Krömmelbein and Weber, 1971).

Cypridea insolita Cunha and Moura, 1979

RT-008.3 zone of São Sebastião Formation (Cuhna and Moura, 1979).

Cypridea isasae Kneuper-Haack, 1966

Hauterivian to Barremian of Cameros Sub-basin (Kneuper-Haack, 1966; Schudack and Schudack, 2009) and Iberian and Morella Basins (Brenner, 1976).

Cypridea jequiensis Krömmelbein and Weber, 1971

RT-009 zone (Poropat and Colin, 2012) of Coqueiro Seco Formation (Krömmelbein and Weber, 1971).

Cypridea kitariensis Grekoff, 1960

Upper Cenomanian to Turonian (Colin, 1994) Inzia Formation (Grekoff, 1960).

Cypridea kroemmelbeini Viana, 1966b

RT-004.1 to RT-004.2 zones (Moura, 1972; Poropat and Colin, 2012) of Lower Ilhas Formation, co-occurring with Cypridea opifera Krömmelbein (Viana, 1966b).

Cypridea laeli Sohn, 1979

Upper Aptian to Lower Albian (Painter et al., 2014; Foreman et al., 2022) Lakota Formation (Sohn, 1979).

Cypridea laevigata (Dunker, 1846)

Cypridea propunctata to Cypridea bispinosa subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1939; Anderson et al., 1967; Anderson and Bazley, 1971; Anderson, 1985); North Celtic Sea and Fastnet Basins (Colin et al., 1981; Ainsworth et al., 1987); W3 to W4 zones (Wolburg, 1959; Schneider et al., 2019) of Northern Germany (Martin, 1961; Wolburg, 1959; Strauss et al., 1993); Netherlands (Herngreen et al., 2000); Angeac, France (Néraudeau et al., 2012); Iberian Basin (Kneuper-Haack, 1966; Schudack and Schudack, 2009); Amara Formation of Romania (Sanjuan et al., 2021b); Aït Bazza Formation of Tunisia (Boumir et al., 2024); Yellow Cat Member of the Cedar Mountain Formation (Sames et al., 2010a; Sames, 2011; Kirkland et al., 2016), Cloverly Formation (Peck and Craig, 1962), and Lakota Formation (Peck, 1951; Peck and Craig, 1962; Sohn, 1979) of USA.

Cypridea langei Krömmelbein, 1962

RT-006 zone (Moura, 1972; Poropat and Colin, 2012) of Ilhas Group (Mendes et al., 2020); RT-005.3 to RT-006.2 zones (Poropat and Colin, 2012; Mendes et al., 2020) of Upper Ilhas Group (Krömmelbein, 1962)

Cypridea lasius Anderson, 1967

Cypridea bispinosa subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985).

Cypridea lata Martin, 1940

Cypridea dunkeri to Cypridea propunctata subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985); OM6 to W2 zones (Wolburg, 1959; Schneider et al., 2019) of Northern Germany (Martin, 1940; Wolburg, 1959); Netherlands (Sung, 1955); Subzones D to E (Bielecka, 1971; Marek et al., 1988; Sztejn, 1991; Dziadzio et al., 2021) of Central Poland (Sztejn, 1991).

Cypridea lenticuIa Masiuk and Viña, 1988

Upper Barremian to Lower Aptian (Figari et al., 1999; Vallati, 2013; Cusminsky et al., 2022; De Sosa Tomas et al., 2023) Biozone 3 of Masiuk and Viña (1989) (Masiuk and Viña, 1988).

Cypridea libanensis Bischoff, 1963

Barremian to Lower Aptian Abeih Formation (Bischoff, 1963; Sanjuan et al., 2021a); Hauterivian to Barremian L-2* zone (Rosenfeld et al., 1988; Rosenfeld et al., 1995; Rosenfeld et al., 1998) of Nabi Said Formation (Rosenfeld and Raab, 1984) and Ramim Mountains (Sohn, 1967).

Cypridea limae Cunha and Moura, 1979

RT-008 zone of the Santo Amaro Group Cunha and Moura (1979).

Cypridea loango Grosdidier, 1967

AS-8 to AS-9 zones (Grosdidier et al., 1996; Bate, 1999; Poropat and Colin, 2012; Eldrett et al., 2023) of Pointe Noire (Grosdidier, 1967) and Dentale Formation (Eldrett et al., 2023).

Cypridea longispina (Peck, 1941)

Within the 133.7 to 142.5 million years old (Joeckel et al., 2020) Yellow Cat Member of the Cedar Mountain Formation (Sames et al., 2010a; Sames, 2011; Kirkland et al., 2016); Within the 130 to 140 million years old (D’Emic et al., 2019) Cloverly Formation (Peck and Craig, 1962); Upper Berriasian to Valanginian (Painter et al., 2014; Foreman et al., 2022) Lakota Formation (Peck, 1951; Bell and Post, 1971; Sohn, 1979; Sames et al., 2010a; Sames, 2011); Kootenai Formation (Peck, 1941).

Cypridea ludica Musacchio, 1971

Barremian (Leanza and Hugo, 1995) La Amarga Formation (Musacchio, 1971; Ballent et al., 2011).

Cypridea lunula Krömmelbein, 1962

RT-004.5 to RT-005.2 zones (Moura, 1972; Poropat and Colin, 2012) of Ilhas Group (Krömmelbein, 1962) and Maracangalha Formation (Mendes Britto et al., 2022; Mendes Britto et al., 2023); Fourou Plage of Gabon Basin (Krömmelbein, 1966; Grekoff and Krömmelbein, 1967).

Cypridea luzi Moura, 1972

RT-004.1 to RT-004.2 zones (Moura, 1972; Poropat and Colin, 2012) of Ilhas Group (Moura, 1972).

Cypridea maior Krömmelbein, 1965a

RT-004.1 to RT-004.2 zones (Moura, 1972; Poropat and Colin, 2012) of Ilhas Group (Krömmelbein, 1965a).

Cypridea marginata Masiuk and Viña, 1988

Upper Barremian to Lower Aptian (Figari et al., 1999; Vallati, 2013; Cusminsky et al., 2022; De Sosa Tomas et al., 2023) Biozone 3 of Masiuk and Viña (1989) (Masiuk and Viña, 1988); Upper Barremian to Lower Aptian Los Adobes Formation (Cusminsky et al., 2022).

Cypridea marina Anderson, 1967

Cypridea pumila subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985).

Cypridea maringaensis (Grekoff, 1957)

AS-10 to AS-11 zones (Colin, 1994) of Loia Formation and from the equivalent (Linol et al., 2015) Series 3 of the Samba Borehole (Grekoff, 1957).

Cypridea martini Wolburg, 1959

Cypridea propunctata subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1985); W2 zone (Wolburg, 1959; Schneider et al., 2019) of Northern Germany (Wolburg, 1959).

Cypridea melvillei Anderson, 1967

Cypridea menevensis to Cypridea bispinosa subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1939; Anderson, 1985). At least some of the German records from W2 to W3 zones (Wolburg, 1959) recorded as this species have been suggested to be a different species, possibly C. penshurstensis (Anderson and Bazley, 1971). We excluded German records to avoid confusion.

Cypridea menevensis (Anderson, 1939)

Cypridea menevensis to Cypridea bispinosa subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985); Netherlands (Sung, 1955; Spiker, 1967).

Cypridea menevoides Swain and Brown, 1972

Albian Unit H of the Atlantic coast wells of Swain and Brown (1972).

Cypridea minuscula Krömmelbein and Weber, 1971

RT-002.2 to RT-004.2 zones (Propat and Colin, 2012; Mendes et al., 2020) of Candeias Formation (Krömmelbein and Weber, 1971); Koum Basin of Cameroon (Colin, 1992; Colin and Dépêche, 1997).

Cypridea minuta (Peck, 1951)

Upper Aptian to Lower Albian (Painter et al., 2014; Foreman et al., 2022) Uppermost Chilson Member (Sames, 2011) and Minnewaste Member (Peck, 1951; Peck and Craig, 1962) of the Lakota Formation.

Cypridea mirabilis Mojon, 1989

Lower Berriasian of Western Swiss Jura (Mojon, 1989).

Cypridea miritiensis Krömmelbein and Weber, 1971

RT-002.2 to RT-004.2 zones (Propat and Colin, 2012; Mendes et al., 2020) of Candeias Formation (Krömmelbein and Weber, 1971).

Cypridea modesta Kneuper-Haack, 1966

Hauterivian to Barremian of Cameros Sub-basin (Kneuper-Haack, 1966; Schudack and Schudack, 2009).

Cypridea modestissima (Musacchio, 1971)

Barremian (Leanza and Hugo, 1995) La Amarga Formation (Musacchio, 1971; Gallego and Shen, 2004).

Cypridea mohandi Mojon et al., 2009

Oxfordian to Kimmeridgian Iouaridène Syncline of Morocco (Mojon et al., 2009).

Cypridea montoriana Brenner, 1976

Barremian of Iberian Basin (Brenner, 1976).

Cypridea morula Anderson and Bazley, 1971

Cypridea menevensis subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985).

Cypridea muelleri Krömmelbein, 1962

RT-005.1 to RT-005.3 zones (Moura, 1972; Poropat and Colin, 2012) of Ilhas Group (Krömmelbein, 1962).

Cypridea multipunctata Cunha and Moura, 1979

RT-004 zone of Candeias Formation (Cunha and Moura, 1979).

Cypridea nannorostrata Krömmelbein, 1962

RT-007.1 to RT-007.4 zones (Moura, 1972; Poropat and Colin, 2012) of São Sebastião Formation (Krömmelbein, 1962); Pre-salt Rift Basins of West Africa (Krömmelbein, 1966; Viana, 1966a; Grekoff and Krömmelbein, 1967; de Klasz and Micholet, 1972; Grosdidier and Bignoumba, 1984; Bate, 1999).

Cypridea nitidula Peck, 1941

Within the 105 to 110 million years old (Gentry et al., 2018; Foreman et al., 2022) Draney, Bechler and Smoot Formations (Peck, 1941; Peck and Craig, 1962; Eyer, 1969); Within the 99 to 105 million years old (Gentry et al., 2018; Foreman et al., 2022) Bear River Formation (Peck, 1941).

Cypridea nodobliqua Viana, 1966b

RT-003.2 zone (Moura, 1972; Poropat and Colin, 2012) of Candeias Formation, co-occurring with Cypridea candeiensis Krömmelbein (Viana, 1966b)

Cypridea obesa Peck, 1951

Within the 98 to 124 million years old (D’Emic et al., 2019) Cloverly Formation (Peck, 1951; Peck and Craig, 1962); Upper Aptian (Painter et al., 2014; Foreman et al., 2022) Lakota Formation (Sames, 2011).

Cypridea obliqua (Wolburg, 1959)

Cypridea propunctata subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985); W2 to W4 zones (Wolburg, 1959; Schneider et al., 2019) of Northern Germany (Wolburg, 1959; Martin, 1961; Strauss et al., 1993); French-Swiss Jura (Détraz and Mojon, 1989); Subzone A of Central Poland (Marek et al., 1988; Sztejn, 1991; Dziadzio et al., 2021).

Cypridea oblonga Masiuk and Viña, 1988

Upper Barremian to Lower Aptian (Figari et al., 1999; Vallati, 2013; Cusminsky et al., 2022; De Sosa Tomas et al., 2023) Biozone 3 of Masiuk and Viña (1989) (Masiuk and Viña, 1988).

Cypridea ogowensis Grekoff and Krömmelbein, 1967

AS-6 zone (Poropat and Colin, 2012) of Shistes Noirs (Grekoff and Krömmelbein, 1967).

Cypridea opifera Krömmelbein, 1962

RT-004.1 to RT-004.2 zones (Moura, 1972; Poropat and Colin, 2012) of Ilhas Group (Krömmelbein, 1962).

Cypridea orientalis (Bischoff, 1963)

Barremian to Lower Aptian Abeih Formation (Bischoff, 1963; Sanjuan et al., 2021a).

Cypridea ovalis Masiuk and Viña, 1988

Upper Barremian to Lower Aptian (Figari et al., 1999; Vallati, 2013; Cusminsky et al., 2022; De Sosa Tomas et al., 2023) Biozone 3 of Masiuk and Viña (1989) (Masiuk and Viña, 1988); Upper Barremian to Lower Aptian Los Adobes Formation (Musacchio, 1995).

Cypridea papilata Masiuk and Viña, 1988

Upper Barremian to Lower Aptian (Figari et al., 1999; Vallati, 2013; Cusminsky et al., 2022; De Sosa Tomas et al., 2023) Biozone 3 of Masiuk and Viña (1989) (Masiuk and Viña, 1988); Upper Barremian to Lower Aptian Los Adobes Formation (Musacchio, 1995).

Cypridea paraibensis Sousa et al., 2018

RT-002.2 zone of Sousa Formation (Sousa et al., 2018) and Candeias Formation (Almeida-Lima et al., 2022), co-occurring with Cypridea ambigua Krömmelbein; Barremian to Hauterivian Orós Formation (Santos Filho et al., 2021a; Santos Filho et al., 2021b).

Cypridea parallela Martin, 1940

Cypridea propunctata subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1985); W2 to W4 zones (Wolburg, 1959; Schneider et al., 2019) of Northern Germany (Martin, 1940; Wolburg, 1959; Martin, 1961; Strauss et al., 1993); Netherlands (Sung, 1955).

Cypridea paulsgrovensis (Anderson, 1939)

Cypridea menevensis to Cypridea bispinosa subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1939; Anderson, 1985). German records from W2 to W3 zones (Wolburg, 1959) recorded as this species have been suggested to be a different species (Anderson and Bazley, 1971). We excluded German records to avoid confusion.

Cypridea pecki Sohn, 1969

Aptian Pine Valley Quadrangle (Sohn, 1969; Swain, 1999).

Cypridea peltoides Anderson and Bazley, 1971

Cypridea dunkeri to Cypridea granulosa subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985); North Celtic Sea Basin (Colin et al., 1981); Subzones C to F of Central Poland (Marek et al., 1988).

Cypridea pendae Anderson, 1967

Cypridea bispinosa subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985).

Cypridea penshurstensis Anderson and Bazley, 1971

Cypridea granulosa to Cypridea propunctata subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985); North Celtic Sea and Fastnet Basins (Colin et al., 1981; Ainsworth et al., 1987).

Cypridea piedmonti (Roth, 1933)

Upper Berriasian to Valanginian (Painter et al., 2014; Foreman et al., 2022) Lower Chilson Member, Lakota Formation (Roth, 1933; Harper and Sutton, 1935; Sohn, 1979).

Cypridea poligonalis Masiuk and Viña, 1988

Upper Barremian to Lower Aptian (Figari et al., 1999; Vallati, 2013; Cusminsky et al., 2022; De Sosa Tomas et al., 2023) Biozone 3 of Masiuk and Viña (1989) (Masiuk and Viña, 1988); Upper Barremian to Lower Aptian Los Adobes Formation (Musacchio, 1995).

Cypridea posticalis Jones, 1885

Cypridea granulosa subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985); OM6 zone (Wolburg, 1959; Schneider et al., 2019) of Northern Germany (Martin, 1940); Netherlands (Sung, 1955; Herngreen et al., 2000); Subzone A of Central Poland (Marek, 1988; Marek et al., 1988).

Cypridea praealta Bielecka, 1975

Subzones A to D (Bielecka and Sztejn, 1966; Marek et al., 1988; Sztejn, 1991; Dziadzio et al., 2021) of Central Poland (Bielecka, 1975; Sztejn, 1991).

Cypridea primaeva Anderson, 1941

Cypridea dunkeri to Cypridea granulosa subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1941; Anderson and Bazley, 1971; Anderson, 1985); OM5 zone (Wolburg, 1959; Schneider et al., 2019) of Northern Germany (Arp and Mennerich, 2008); Subzones C to F of Central Poland (Marek et al., 1988).

Cypridea primaria Grekoff and Krömmelbein, 1967

AS-2 zone (Poropat and Colin, 2012) of Série de Transition (Grekoff and Krömmelbein, 1967).

Cypridea procera Kneuper-Haack, 1966

Hauterivian to Barremian of Cameros Sub-basin (Kneuper-Haack, 1966; Schudack and Schudack, 2009).

Cypridea propunctata Sylvester-Bradley, 1949

Cypridea granulosa to Cypridea propunctata subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985); North Celtic Sea Basin (Colin et al., 1981); Aït Bazza Formation of Tunisia (Boumir et al., 2024).

Cypridea pseudomarina Anderson, 1967

Cypridea fasciata subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985; Wilkinson, 2011).

Cypridea pulchra Kneuper-Haack, 1966

Berriasian of Cameros Sub-basin (Kneuper-Haack, 1966; Schudack and Schudack, 2009).

Cypridea pumila Anderson, 1967

Cypridea dorsispinata to Cypridea pumila subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985).

Cypridea punctacentralis dos Santos Filho et al., 2021a

Barremian to Hauterivian Orós Formation (dos Santos Filho et al., 2021a; dos Santos Filho et al., 2021b).

Cypridea quadrangulata Brenner, 1976

Upper Barremian to Aptian of Iberian Basin (Brenner, 1976); Barremian to Lower Aptian of Abeih Formation (Sanjuan et al., 2021a); Lower Albian of Orbata Formation (Trabelsi et al., 2021).

Cypridea quadrata Peck, 1951

Within the 115 to 124 million years old (Gentry et al., 2018; Foreman et al., 2022) Ephraim Conglomerate (Peck and Craig, 1962; Eyer, 1969); Within the 98 to 124 million years old (D’Emic et al., 2019) Cloverly Formation (Peck, 1951).

Cypridea quadrilateralis Swain, 1946

RT-005.2 to RT-005.5 zones (Moura, 1972; Poropat and Colin, 2012) of Ilhas Group (Swain, 1946; Wicher, 1959; Krömmelbein, 1962; Mendes et al., 2020).

Cypridea quarta Grekoff, 1957

AS-10 to AS-11 zones (Colin, 1994; Lino et al., 2015) of Series 3 of Samba Borehole (Grekoff, 1957).

Cypridea ranquiliensis Musacchio and Palamarczuk, 1975

Aptian (Prámparo, 1994; Vallati, 1995) Ranquiles Formation (Musacchio and Palamarczuk, 1975; Ballent et al., 2011).

Cypridea recta Wolburg, 1959

Cypridea menevensis to Cypridea bispinosa subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson et al., 1967; Anderson, 1985); W5 to W6 zones (Wolburg, 1959; Schneider et al., 2019) of Northern Germany (Wolburg, 1959).

Cypridea renalis Masiuk and Viña, 1988

Upper Valanginian to Hauterivian (Figari et al., 1999; Cusminsky et al., 2022) Biozone 4 of Masiuk and Viña (1989) (Masiuk and Viña, 1988).

Cypridea reticularis Masiuk and Viña, 1988

Upper Barremian to Lower Aptian (Figari et al., 1999; Vallati, 2013; Cusminsky et al., 2022; De Sosa Tomas et al., 2023) Biozone 3 of Masiuk and Viña (1989) (Masiuk and Viña, 1988).

Cypridea rhahelensis Andreu and Colin, 2003

Upper Hauterivian to Lower Barremian Iouaridène Formation of Morocco (Andreu et al., 2003).

Cypridea riojoanensis Moura, 1972

RT-004.3 to RT-004.5 zones (Moura, 1972; Poropat and Colin, 2012) of the São Sebastião Formation and from the few localities of Sergipe/Alagoas Basin (Moura, 1972).

Cypridea robusta Viana, 1966b

RT-003 to RT-004 zones (Poropat and Colin, 2012; Mendes et al., 2020) of transition from Candeias Formation to Ilhas Group (Viana, 1966b).

Cypridea rostralis Masiuk and Viña, 1988

Upper Barremian to Lower Aptian (Figari et al., 1999; Vallati, 2013; Cusminsky et al., 2022; De Sosa Tomas et al., 2023) Biozone 3 of Masiuk and Viña (1989) (Masiuk and Viña, 1988).

Cypridea rotundata Anderson, 1967

Cypridea fasciata subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985).

Cypridea sagena Anderson and Bazley, 1971

Cypridea granulosa subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985).

Cypridea salvadorensis Krömmelbein, 1962

RT-003.2 to RT-004.2 zones (Moura, 1972; Poropat and Colin, 2012) of Transitional of Candeias Formation and Ilhas Group (Krömmelbein, 1962); Pre-salt Rift Basins of West Africa (Bate, 1999).

Cypridea sambaensis (Grekoff, 1957)

AS-10 to AS-11 zones (Colin, 1994; Lino et al., 2015) of Series 3 of Samba Borehole (Grekoff, 1957).

Cypridea sellata Viana, 1966b

RT-003.1 zone (Moura, 1972; Poropat and Colin, 2012) of Candeias Formation (Viana, 1966b; Krömmelbein and Weber, 1971; Almeida-Lima et al., 2022) and Abaiara Formation (Assine, 1992; Coimbra et al., 2002); Pre-salt Rift Basins of West Africa (Bate, 1999).

Cypridea semilunaris Cunha and Moura, 1979

RT-007.1 to RT-007.2 zones (Cunha and Moura, 1979) of Ilhas Group (Mendes et al., 2020; Almeida-Lima et al., 2022) and São Sebastião Formation (Cunha and Moura, 1979).

Cypridea sidonensis Bischoff, 1963

Barremian to Lower Aptian Abeih Formation (Bischoff, 1963; Sanjuan et al., 2021a).

Cypridea simplissima Anderson, 1985

Cypridea dunkeri to Cypridea menevensis subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985).

Cypridea simplissima Masiuk and Viña, 1988

Upper Barremian to Lower Aptian (Figari et al., 1999; Vallati, 2013; Cusminsky et al., 2022; De Sosa Tomas et al., 2023) Biozone 2 of Masiuk and Viña (1989) (Masiuk and Viña, 1988). This species name is a homonym of C. simplissima Anderson 1985.

Cypridea soriana (Kneuper-Haack, 1966)

Upper Berriasian to Lower Valanginian of Cameros Sub-basin (Kneuper-Haack, 1966; Schudack and Schudack, 2009) and Barremian Iberian Basin (Brenner, 1976; Alonso and Canudo, 2015).

Cypridea spinata Moura, 1972

RT-009.3 of São Sebastião Formation (Moura, 1972).

Cypridea spinigera (Sowerby in Fitton, 1836)

Cypridea fasciata subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985); Netherlands (Sung, 1955).

Cypridea subcuadrata (Musacchio, 1971)

Barremian (Leanza and Hugo, 1995) La Amarga Formation (Musacchio, 1971; Gallego and Shen, 2004); San Jorge Gulf Basin (Musacchio, 1987; Musacchio et al., 1990; Musacchio, 1995).

Cypridea subtilis Krömmelbein, 1965a

RT-004.1 to RT-004.2 zones (Moura, 1972; Poropat and Colin, 2012) of Candeias Formation (Krömmelbein, 1965a); Pre-salt Rift Basins of West Africa (Krömmelbein, 1965a; Krömmelbein, 1966; Bate, 1999).

Cypridea subtrapezoidalis Masiuk and Viña, 1988

Upper Barremian to Lower Aptian (Figari et al., 1999; Vallati, 2013; Cusminsky et al., 2022; De Sosa Tomas et al., 2023) Biozone 3 of Masiuk and Viña (1989) (Masiuk and Viña, 1988).

Cypridea suspecta Cypridea suspecta Krömmelbein, 1965a

RT-003.2 zone (Moura, 1972; Poropat and Colin, 2012) of Ilhas Group (Krömmelbein, 1965a); Pre-salt Rift Basins of West Africa (Krömmelbein, 1965b; Krömmelbein, 1966; Grekoff and Krömmelbein, 1967).

Cypridea swanagensis Anderson and Bazley, 1971

Cypridea granulosa subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985).

Cypridea tayasirensis Rosenfeld and Raab, 1984

Hauterivian to Barremian L-2* zone (Rosenfeld et al., 1988; Rosenfeld et al., 1995; Rosenfeld et al., 1998) of Helez, Nabi Said Formations, and Tayasir Volcanics (Rosenfeld and Raab, 1984).

Cypridea tchibodaensis Krömmelbein, 1965b

RT-008.3 to RT-009.2 zones (Cunha and Moura, 1979) of Morro do Chaves Formation (Thompson et al., 2015); Tchibota Formation (Krömmelbein, 1965b).

Cypridea tenuis Anderson, 1967

Cypridea fasciata subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985; Wilkinson, 2011); Kebar Formation of Tunisia (Trabelsi et al., 2015).

Cypridea tertia Grekoff, 1957

AS-10 to AS-11 zones (Colin, 1994; Lino et al., 2015) of Series 3 of Samba Borehole (Grekoff, 1957).

Cypridea tilleyi Loranger, 1951

Upper Aptian-Albian (Ross et al., 2005) Blaimore Group (Loranger, 1951).

Cypridea tosca Masiuk and Viña, 1988

Upper Barremian to Lower Aptian (Figari et al., 1999; Vallati, 2013; Cusminsky et al., 2022; De Sosa Tomas et al., 2023) Biozone 3 of Masiuk and Viña (1989) (Masiuk and Viña, 1988).

Cypridea trinodosa Viana, 1966b

RT-002.2 zone (Cunha and Moura, 1979; Poropat and Colin, 2012) of Candeias Formation (Viana, 1966b).

Cypridea troelseni Viana, 1966b

RT-004.1 to RT-005.2 zones (Poropat and Colin, 2012; Mendes et al., 2020) of Lower Ilhas Group (Viana, 1966b).

Cypridea tuberculata (Sowerby in Fitton, 1836)

Widely distributed in British Purbeck-Wealden strata (Anderson, 1939; Anderson et al., 1967; Anderson and Bazley, 1971; Anderson, 1985), North Celtic Sea and Fastnet Basins (Colin et al., 1981; Ainsworth et al., 1987), Northern Germany (Martin, 1940; Wolburg, 1959), Netherlands (Sung, 1955), and French-Swiss Jura (Détraz and Mojon, 1989; Mojon, 1989).

Cypridea tucanoensis Krömmelbein, 1965a

RT-003.2 to RT-004.3 zones (Cunha and Moura, 1979; Poropat and Colin, 2012) of Candeias Formation (Krömmelbein, 1965a) and Abaiara Formation (Coimbra et al., 2002); Pre-Salt Basins of West Africa (Krömmelbein, 1966; Grekoff and Krömmelbein, 1967).

Cypridea tumescens (Anderson, 1939)

Cypridea dunkeri to Cypridea granulosa subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1939; Anderson, 1962; Barker, 1966; Anderson and Bazley, 1971; Anderson, 1985); North Celtic Sea and Fastnet Basins (Colin et al., 1981; Ainsworth et al., 1987; Ainsworth et al., 1989); OM5 zone (Wolburg, 1959; Schneider et al., 2019) of Northern Germany (Arp and Mennerich, 2008); Paris Basin (Oertli, 1963); French-Swiss Jura (Anderson, 1951; Mojon and Strasser, 1987; Détraz and Mojon, 1989; Mojon, 1989); Northern Subalpine Chain (Donze, 1964); Iberian Basin and Pyrenees (Kneuper-Haack, 1966; Brenner, 1976; Andreu et al., 1996; Schudack and Schudack, 2009); Cala d'Inferno Series of Sardinia (Colin et al., 1985); Subzones C to F of Central Poland (Bielecka and Sztejn, 1966; Marek et al., 1969; Bielecka, 1971; Marek, 1988; Marek et al., 1988; Sztejn, 1991; Dziadzio et al., 2021); Amara Formation of Romania (Sanjuan et al., 2021b); Vitabäck Beds of Sweden (Christensen, 1968); Aït Bazza Formation of Tunisia (Boumir et al., 2024).

Cypridea turgida Kneuper-Haack, 1966

Hauterivian to Barremian of Cameros Sub-basin (Kneuper-Haack, 1966; Schudack and Schudack, 2009).

Cypridea ultima Grekoff, 1957

AS-10 to AS-11 zones (Colin, 1994) of Loia Formation (Grekoff, 1957).

Cypridea valdensis (Sowerby in Fitton, 1836)

Cypridea bispinosa to Cypridea fasciata subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985).

Cypridea varians Anderson and Bazley, 1971

Cypridea granulosa to Cypridea menevensis subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985).

Cypridea variebullata Krömmelbein and Weber, 1971

RT-002.2 to RT-004.2 zones (Propat and Colin, 2012; Mendes et al., 2020) of Candeias Formation (Krömmelbein and Weber, 1971); Koum Basin of Cameroon (Colin, 1992; Colin and Dépêche, 1997)

Cypridea vectae Anderson, 1967

Cypridea fasciata subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985).

Cypridea ventriosa Brenner, 1976

Upper Barremian of Iberian Basin (Brenner, 1976; Swain, 1993); Lower Aptian of Orbata Formation (Trabelsi et al., 2021).

Cypridea ventronodata Krömmelbein, 1962

RT-004.2 to RT-004.5 zones (Moura, 1972; Poropat and Colin, 2012) of Ilhas Group (Krömmelbein, 1962); Lucina Formation and Fourou Plage of West Africa (Krömmelbein, 1966; Viana, 1966a; Grekoff and Krömmelbein, 1967; Eldrett et al., 2023).

Cypridea ventrosa Jones, 1885

Cypridea propunctata to Cypridea menevensis subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985).

Cypridea ventrospinata Cunha and Moura, 1979

RT-005 zone of Pojuca Formation (Cunha and Moura, 1979).

Cypridea vericae Anderson, 1967

Cypridea bispinosa subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985).

Cypridea verrucosa Jones, 1878

Cypridea bispinosa subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1939; Anderson, 1985).

Cypridea vianai Sousa et al., 2018

RT-002.2 zone (Moura, 1972; Poropat and Colin, 2012) of Sousa (Sousa et al., 2018) and Candeias (Almeida-Lima et al., 2022) Formations co-occurring with Cypridea ambigua Krömmelbein.

Cypridea vidrana Wolburg, 1959

Cypridea granulosa to Cypridea propunctata subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985); W2 zone (Wolburg, 1959; Schneider et al., 2019) of Northern Germany (Wolburg, 1959); French-Swiss Jura (Détraz and Mojon, 1989).

Cypridea volubilis Musacchio, 1971

Barremian (Leanza and Hugo, 1995) La Amarga Formation (Musacchio, 1971); San Jorge Gulf Basin (Musacchio, 1987; Musacchio et al., 1990).

Cypridea vulgaris Krömmelbein, 1962

RT-004.1 to RT-005.2 zones (Poropat and Colin, 2012; Mendes et al., 2020) of Lower Ilhas Group (Krömmelbein, 1962) and Abaiara Formation (Assine, 1992); Pre-Salt Basins of West Africa (Viana, 1966a; Bate, 1999).

Cypridea wandae Sztejn, 1991

Subzones D to E (Bielecka and Sztejn, 1966; Marek et al., 1988; Sztejn, 1991; Dziadzio et al., 2021) of Central Poland (Sztejn, 1991).

Cypridea warlinghamensis Anderson, 1967

Cypridea fasciata subzone sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson, 1967; Anderson, 1985).

Cypridea wicheri Wolburg, 1959

Cypridea propunctata to Cypridea menevensis subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985); W4 to W5 zones (Wolburg, 1959; Schneider et al., 2019) of Northern Germany (Wolburg, 1959); Netherlands (Sung, 1955).

Cypridea wolburgi Anderson and Bazley, 1971

Cypridea granulosa to Cypridea propunctata subzones sensu Horne (1995) (Anderson, 1985; Horne, 1995; Radley and Allen, 2012) of British Purbeck-Wealden strata (Anderson and Bazley, 1971; Anderson, 1985).

Cypridea wyomingensis (Jones, 1893)

Within the 105 to 110 million years old (Gentry et al., 2018; Foreman et al., 2022) Bechler, Draney, Smoot Formations (Peck, 1941; Peck and Craig, 1962; Eyer, 1969); Albian (Lock et al., 1983; Pittman, 1984) De Queen Formation (Vanderpool, 1928; Lock et al., 1983); Aptian to Lower Albian (Clark et al., 2018) Burry Canyon Formation (Stokes, 1952; Katich, 1954; Katich, 1956); Within the 110 to 115 million years old (Finzel and Rosenblume, 2021; Rosenblume et al., 2021; Rosenblume et al., 2022) Kootenai Formation (Peck and Craig, 1962; Hadley et al., 1980); Upper Aptian to Albian (Ross et al., 2005) Blaimore Group (Loranger, 1951); Atlantic coast wells of Swain and Brown (1972).

Cypridea yakokoensis Grekoff, 1957

AS-10 to AS-11 zones (Colin, 1994) of Loia Formation (Grekoff, 1957).

Kegelina anomala (Peck, 1941)

Within the 99 to 105 million years old (Gentry et al., 2018; Foreman et al., 2022) Bear River Formation (Peck, 1941); Within the 105 to 110 million years old (Gentry et al., 2018; Foreman et al., 2022) Bechler, Draney, and Smoot Formations (Peck, 1941; Peck and Craig, 1962; Eyer, 1969); Within the 105 to 110 million years old (Finzel and Rosenblume, 2021; Rosenblume et al., 2021; Rosenblume et al., 2022) Kootenai Formation (Peck, 1941; Peck and Craig, 1962; Hadley et al., 1980); Within the 98 to 124 million years old (D’Emic et al., 2019) Cloverly Formation (Peck, 1951); Aptian Leduc Oil Field (Layer, 1949).

Kegelina armata (Krömmelbein, 1962)

RT-002.1 zone (Cunha and Moura, 1979; Poropat and Colin, 2012) of Itaparica Formation (Krömmelbein, 1962); Pre-Salt Basins of West Africa (Bate, 1999).

Kegelina bisculpturata (Moos in Wicher, 1959)

RT-002.1 zone (Cunha and Moura, 1979; Poropat and Colin, 2012) of Itaparica Formation (Wicher, 1959; Krömmelbein, 1962).

Kegelina depressa (Moura, 1972)

RT-002.1 zone (Cunha and Moura, 1979; Poropat and Colin, 2012of Itaparica Formation (Moura, 1972).

Kegelina kegeli (Wicher, 1959)

RT-002.1 zone (Cunha and Moura, 1979; Poropat and Colin, 2012) of Itaparica Formation (Wicher, 1959; Krömmelbein, 1962); Pre-Salt Basins of West Africa (Bate, 1999).

Paracypridea bicallosa Krömmelbein, 1964

RT-004.2 to RT-004.3 zones (Cunha and Moura, 1979; Poropat and Colin, 2012) of Ilhas Group (Krömmelbein, 1964); Pre-Salt Basins of West Africa (Bate, 1999).

Paracypridea brasiliensis Krömmelbein, 1961

RT-004.3 to RT-004.5 zones (Cunha and Moura, 1979; Poropat and Colin, 2012) of Ilhas Group (Krömmelbein, 1961; Krömmelbein, 1962; Krömmelbein and Weber, 1971; Mendes et al., 2020; Almeida-Lima et al., 2022); Pre-Salt Basins of West Africa (Krömmelbein, 1966; Viana, 1966a; Grekoff and Krömmelbein, 1967; de Klasz and Micholet, 1972).

Paracypridea connectens Krömmelbein and Weber, 1971

RT-005.3 to RT-006.2 zones (Poropat and Colin, 2012; Mendes et al., 2020) of Upper Ilhas Group (Krömmelbein and Weber, 1971).

Paracypridea elegans Krömmelbein, 1962

RT-004.4 to RT-005.2 zones (Cunha and Moura, 1979; Poropat and Colin, 2012) of Ilhas Group (Krömmelbein, 1962; Krömmelbein, 1964; Mendes et al., 2020); Pre-Salt Basins of West Africa (Krömmelbein, 1966; Viana, 1966a; Grekoff and Krömmelbein, 1967; de Klasz and Micholet, 1972; Bate, 1999).

Paracypridea impar Krömmelbein and Weber, 1971

RT-004.1 to RT-005.2 zones (Poropat and Colin, 2012; Mendes et al., 2020) of Lower Ilhas Group (Krömmelbein and Weber, 1971); Pre-Salt Basins of West Africa (Bate, 1999).

Paracypridea langdoni Krömmelbein, 1961

RT-005.1 to RT-005.2 zones (Cunha and Moura, 1979; Poropat and Colin, 2012) of Ilhas Group (Krömmelbein, 1961; Krömmelbein, 1962; Pre-Salt Basins of West Africa (Bate, 1999).

Paracypridea maacki Krömmelbein, 1964

RT-004.2 to RT-004.4 zones (Cunha and Moura, 1979; Poropat and Colin, 2012) of Ilhas Group (Krömmelbein, 1964); Pre-Salt Basins of West Africa (Grekoff and Krömmelbein, 1967; de Klasz and Micholet, 1972; Bate, 1999).

Paracypridea obovata (Swain, 1946)

RT-004.4 to RT-005.2 zones (Cunha and Moura, 1979; Poropat and Colin, 2012) of Ilhas Group (Swain, 1946; Wicher, 1959; Krömmelbein, 1961; Krömmelbein, 1962; Krömmelbein, 1964; Krömmelbein, 1966); Pre-Salt Basins of West Africa (Krömmelbein, 1966; Viana, 1966a; Grekoff and Krömmelbein, 1967; de Klasz and Micholet, 1972; Bate, 1999). The record from the Series 3 of the Samba Borehole (P. obovata congensis Grekoff, 1957) was tentatively excluded due to the large age difference with the other records.

Paracypridea quadrirugosa (Wicher, 1959)

RT-006.1 to RT-007.3 zones (Cunha and Moura, 1979; Poropat and Colin, 2012) of Ilhas Group (Wicher, 1959; Krömmelbein, 1961; Krömmelbein, 1962; Mendes et al., 2020; Almeida-Lima et al., 2022); Pre-Salt Basins of West Africa (Viana, 1966a; Bate, 1999).

Paracypridea rhomboidalis (Wicher, 1959)

RT-005.2 to RT-005.4 zones (Cunha and Moura, 1979; Poropat and Colin, 2012) of Ilhas Group (Wicher, 1959; Krömmelbein, 1962).

Paracypridea similis Krömmelbein, 1961

RT-004.5 to RT-005.2 zones (Cunha and Moura, 1979; Poropat and Colin, 2012) of Ilhas Group (Krömmelbein, 1961; Krömmelbein, 1962; Krömmelbein, 1964); Pre-Salt Basins of West Africa (Viana, 1966a; Grekoff and Krömmelbein, 1967; de Klasz and Micholet, 1972; Bate, 1999).

Paraplesiocypridea alloios Ayress and Whatley, 2014

Valantinian to Barremian North Falkland Basin (Ayress and Whatley, 2014).

Praecypridea acuta (Wicher, 1959)

RT-002.1 zone (Cunha and Moura, 1979; Poropat and Colin, 2012) of Itaparica Formation (Wicher, 1959); Pre-Salt Basins of West Africa (Bate, 1999).

Praecypridea acuticyatha (Schudack, 1998)

Kimmeridgian (Kowallis et al., 1998; Schudack et al., 1998; May et al., 2013; Painter et al., 2014) Morrison Formation (Schudack et al., 1998); Possibly present in the Stanleyville Formation of Congo (Sames et al., 2010b).

Praecypridea postelongata (Oertli, 1956)

Upper Bajocian (Colin and Carbonel, 1996) Paris Basin (Bernard et al., 1956).

Praecypridea suprajurassica (Mojon et al., 2009)

Oxfordian to Kimmeridgian Iouaridène Syncline of Morocco (Mojon et al., 2009).

Species that were not considered

Schudack and Schudack (2009) performed an extensive review and reexamination of the ostracod assemblages of the Iberian Peninsula. They presented a revised checklist of biostratigraphically important ostracods including Cypridea but mentioned that they will provide detailed taxonomic revision on a different paper. While the taxonomic revision for the non-cypridean ostracods were published (Schudack and Schudack, 2012), cypridean counterpart remains unpublished. Schudack and Schudack (2009)’s checklist does not include three species described by Kneuper-Haack (1966): Cypridea encisiensis, C. moneta, and C. rotunda. As they mention that some species described by Kneuper-Haack were synonymized to other names, it is very likely that these species names might be redundant. To be more conservative towards taxonomic inflation, we decided to exclude fossil occurrences of these species.

Numerous cyprideid occurrences, mostly belonging to the genus Bisulcocypridea Sohn, are known from the uppermost Cretaceous to Lower Eocene of North America (e.g., Swain, 1949; Peck, 1951; Swain, 1964; Sohn, 1969; Fouch, 1979; Fouch et al., 1987; Swain, 1987; Brouwers and De Deckker, 1993; Cifelli et al., 1999; Difley et al., 1999; Belt et al., 2005; Ingalls and Park, 2010; Antonietto et al., 2022). Bisulcocypridea was erected by Sohn (1969) based on the type species Bisulcocypridea bicostata, described from the Pine Valley Quadrangle of Nevada. He first tentatively suggested an Aptian age for the type locality of B. bicostata, but later studies recovered B. bicostata mostly from Paleocene deposits (e.g., Fouch, 1979; Swain, 1987; Cifelli et al., 1999), indicating a much younger origin of the species. To date, the fossil record of Bisulcocypridea in North America is known from the Upper Cretaceous (Maastrichtian) to the Lower Eocene, which is temporally separated from other North American cyprideid records. However, occurrences of Bisulcocypridea from East Asia are known as early as the Aptian period (e.g., Wang, 2024), indicating their possible origin in this region (though Sames, 2011, suggests that Cypridea minuta Peck, known from the Aptian of North America, might belong to the lineage leading to Bisulcocypridea). Also, some ostracod assemblages that include Bisulcocypridea have been suggested to represent migrants from East Asia (Swain, 1999; Sames, 2011). Therefore, to take a more conservative approach, we decided to exclude the fossil occurrence of Bisulcocypridea.

We also excluded the records of Cypridea zalanyii described by Cséfán and Tóth (2018) from the Albian of Hungary. It is temporally separated from other European records by a considerable margin, and since Cséfán and Tóth (2018) noted its resemblance to the East Asian Mongolocypris species: Mongolocypris globra (Hou) and Mongolocypris kohi Choi and Huh, we suspect that this species may represent a secondary migration of Cyprideidae from Eastern Eurasia to Western Eurasia. Thus, the records belonging to this species were also excluded.

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