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Volume 27.1
January–April 2024
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ISSN: 1094-8074, web version;
1935-3952, print version
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Natalia Starzyk. Institute of Systematics and Evolution of Animals, Polish Academy of Sciences; ul. Sławkowska 17; 31-016 Kraków, Poland. natalia_slaby@wp.pl
Dr Natalia Starzyk recently gained her PhD from the International Doctoral Studies in Natural Sciences at the Polish Academy of Sciences in Kraków. Jurassic crabs from Polish Jura localities were the subject of her PhD dissertation. In 2014 she started working in the Institute of Systematics and Evolution of Animals of Polish Academy of Sciences. Her research is currently focused on the evolution and diversity of first crabs on European localities.
FIGURE 1. Analyzed measurements and a groundplan of the morphological structures in the species of Tanidromites on the example of T. alexandrae (after Starzyk, 2015a, figure 1). Further explanation in text (ag - anterior groove, hp - hepatic pit, ht - hepatic tubercle, cp - cervical pit). Abbreviations for the measurements are in the Material and Methods.
FIGURE 2. Anterior part of the carapace and the augenrest in Tanidromites spp. The area of augenrest is shaded.
FIGURE 3. Tanidromites longinosa n. sp. 1, paratype (#6239, Ogrodzieniec) (cp - cervical pit); 2, specimen (#6242, Ogrodzieniec); 3, 4, upper orbital margin (3 - #2725 Bzów; 4 - #1908, Bzów); 5, 6, augenrest, anterior view (5 - #6302, Kroczyce; 6 - #1908, Bzów); 7, lateral view (#6238, Kroczyce); 8, holotype (#6307, Ogrodzieniec). Scale bars equal 1 mm.
FIGURE 4. Tanidromites wysokaensis n. sp. 1, paratype (#6260, Ogrodzieniec); 2, holotype (#6240, Ogrodzieniec); 3, paratype (#6263, Niegowonice); 4, anterior part of the carapace (paratype, #6263, Niegowonice); 5, lateral view (#6240, Ogrodzieniec); 6, 7, augenrest, anterior view (6 - #6263, Niegowonice; 7 - #6240, Ogrodzieniec); 8, anterior part of the carapace (holotype, #6240, Ogrodzieniec). ht - hepatic tubercle. Scale bars equal 1 mm.
FIGURE 5. Tanidromites schweitzerae n. sp. 1, holotype (#4515, Niegowonice); 2, specimen (#4562, Niegownice); 3, lateral view (#4562, Niegowonice); 4, rostrum (holotype #4515, Niegowonice); 5, augenrest, view from above (holotype #4515, Niegowonice); 6, specimen (#6249, Niegowonice). Scale bars equal 1 mm.
TABLE 1. Measurements (mm) of 14 specimens of Tanidromites longinosa n. sp. and 7 specimens of Tanidromites wysokaensis n. sp. L - maximum length of the carapace; W - maximum width of the carapace; RtC - length from the tip of the rostrum to the cervical groove; AtC - length from the end of the outer augenrest angle to the cervical groove; R - length from the tip of the rostrum to the anterior groove.
Specimen | L | W | RtC | AtC | R |
Tanidromites longinosa n. sp. | |||||
I-F/MP/474/1497/08 | - | - | - | 0.94 | - |
I-F/MP/530/1497/08 | 3.39 | 2.11 | 2.04 | 0.49 | 0.83 |
I-F/MP/642/1502/08 | 2.36 | 1.61 | 1.45 | 0.32 | 0.60 |
I-F/MP/1788/1517/08 paratype | 3.57 | 2.36 | 2.17 | 0.46 | 0.76 |
I-F/MP/1849/1517/08 | 2.91 | 1.86 | 1.77 | 0.39 | 0.73 |
I-F/MP/1908/1517/08 | - | - | - | 0.72 | - |
I-F/MP/2053/1517/08 | - | 3.28 | - | 0.63 | - |
I-F/MP/2054/1517/08 | 6.02 | 3.74 | 3.39 | 0.71 | 1.59 |
I-F/MP/2725/1530/08 paratype | - | - | - | 0.52 | - |
I-F/MP/6235/1588/11 | - | 8.45 | - | 1.91 | - |
I-F/MP/6238/1588/11 | - | 5.12 | - | 1.01 | - |
I-F/MP/6239/1588/11 paratype | 8.28 | 5.58 | 4.60 | 1.16 | 1.51 |
I-F/MP/6242/1588/11 | - | 6.42 | - | - | - |
I-F/MP/6307/1599/12 holotype | 4.46 | 2.94 | 2.34 | 0.58 | 0.88 |
Tanidromites wysokaensis n. sp. | |||||
I-F/MP/1078/1508/08 | - | 5.95 | 552 | 2.03 | 1.48 |
I-F/MP/1896/1517/08 | - | - | 4.13 | 1.39 | 1.23 |
I-F/MP/4507/1534/08 | - | - | - | 2.25 | - |
I-F/MP/4962/1543/09 | - | 7.18 | 6.18 | 2.15 | 1.82 |
I-F/MP/6240/1588/11 holotype | 20.34 | 12.95 | 10.88 | 4.43 | 3.08 |
I-F/MP/6260/1588/11 paratype | - | 7.37 | - | 2.74 | - |
I-F/MP/6263/1588/11 paratype | - | 14.01 | - | 4.64 | - |
Tanidromites schweitzerae n. sp. | |||||
I-F/MP/4515/1534/08 holotype | - | 13.92 | 12.79 | 4.26 | 3.49 |
I-F/MP/4562/1534/08 | 5.73 | 4.36 | 3.10 | 1.37 | 0.66 |
I-F/MP/6249/1588/11 paratype | - | - | 14.38 | 4.65 | 4.06 |
TABLE 2. All species of the genus Tanidromites with their respective habitats (information from Crônier and Boursicot, 2009; Fraaije et al., 2013; Hyžný et al., 2011; Müller et al., 2000; Robin et al., 2015; Schweigert and Koppka, 2011; Schweitzer and Feldmann, 2010; Starzyk, 2015a).
Species | Age | Habitat |
T. sculpta | Early Oxfordian to Late Kimmeridgian | shallow sponge- microbial mounds |
T. scheffnerae | Early Oxfordian to Late Kimmeridgian | shallow sponge- microbial mounds (Poland, Germany) |
T. etalloni | Middle to Late Oxfordian | shallow sponge- microbial mounds (Poland) |
T. alexandrae | Early to Late Oxfordian | shallow sponge- microbial mounds (Poland) |
T. insignis | Early Oxfordian to Early Kimmeridgian | non reefal habitat associated fauna sparse; brachiopods, bivalves and crinoids (Slovakia) shallow sponge- microbial mounds (Poland, Germany) |
T. lithuanicus | Middle Callovian | shallow non reefal habitats associated with benthic macrofauna (Lithuania) |
T. montreuilense | Early Callovian | lower offshore environment, close to or below storm wave base, with water depth 50-80 m, associated with benthic fauna (France) |
T. raboeufi | Late Bathonian | carbonate muddy buttoms (France) |
T. richardsoni | Bajocian | shallow non reefal habitats associated with benthic macrofauna (Great Britain, Germany) |
T. maerteni | Early Bajocian | shallow non reefal habitats associated (France) |
Specimens of Tanidromites longinosa n. sp. and Tanidromites wysokaensis n. sp. in the Museum of the Institute of Systematics and Evolution of Animals, Polish Academy of Sciences in Kraków.
Specimens of Tanidromites longinosa n. sp. in the Museum of the Institute of Systematics and Evolution of Animals, Polish Academy of Sciences in Kraków:
Specimens from Bzów: I-F/MP/ 1282 /1508/08; I-F/MP/ 1788 /1517/08; I-F/MP/ 1849 /1517/08; I-F/MP/ 1908 /1517/08; I-F/MP/ 2053 /1517/08; I-F/MP/ 2054 /1517/08; I-F/MP/ 2134 /1517/08; I-F/MP/ 2158 /1517/08; I-F/MP/ 2376 /1528/08; I-F/MP/ 2535 /1528/08; I-F/MP/ 2613 /1528/08; I-F/MP/ 2725 /1530/08.
Specimens from Kostkowice: I-F/MP/ 5848 /1555/09.
Specimens from Kroczyce: I-F/MP/ 6238 /1588/11; I-F/MP/ 6302 /1599/12.
Specimens from Niegowonice: I-F/MP/ 819 /1507/08; I-F/MP/ 5643 /1543/09; I-F/MP/ 6053 /1555/09.
Specimens from Ogrodzieniec: I-F/MP/ 36 /1489/08; I-F/MP/ 67 /1489/08; I-F/MP/ 474 /1497/08; I-F/MP/ 500 /1489/08; I-F/MP/ 503 /1497/08; I-F/MP/ 530 /1497/08; I-F/MP/ 603 /1502/08; I-F/MP/ 642 /1502/08; I-F/MP/ 4178 /1534/08; I-F/MP/ 4203 /1534/08; I-F/MP/ 4404 /1534/08; I-F/MP/ 5990 /1543/09; I-F/MP/ 6235 /1588/11; I-F/MP/ 6239 /1588/11; I-F/MP/ 6242 /1588/11; I-F/MP/ 6307 /1599/12.
Specimens of Tanidromites wysokaensis n. sp. in the Museum of the Institute of Systematics and Evolution of Animals, Polish Academy of Sciences in Kraków:
Specimens from Bzów: I-F/MP/ 1896 /1517/08; I-F/MP/ 3889 /1532/08.
Specimens from Niegowonice: I-F/MP/ 318 /1497/08; I-F/MP/ 1078 /1508/08; I-F/MP/ 1118 /1508/08; I-F/MP/ 1156 /1508/08; I-F/MP/ 3290 /1532/08; I-F/MP/ 4507 /1534/08; I-F/MP/ 4621 /1534/08; I-F/MP/ 4962 /1543/09; I-F/MP/ 5326 /1543/09; I-F/MP/ 6043 /1555/09; I-F/MP/ 6263 /1588/11.
Specimens from Ogrodzieniec: I-F/MP/ 6240 /1588/11; I-F/MP/ 6260 /1588/11.
Specimens from Wysoka: I-F/MP/ 2748 /1530/08; I-F/MP/ 6377 /1619/14.
Three new species of the genus Tanidromites (Decapoda: Brachyura: Tanidromitidae) from the Late Jurassic (Oxfordian) of Poland
Plain Language Abstract
One of the biggest collections of Jurassic crabs in the world (about 7,000 specimens) is situated in Natural History Museum of the Institute of Systematics and Evolution of Animals, Polish Academy of Sciences. Specimens come from the Upper Jurassic. The collection is only smaller than the collection in the Naturhistorisches Museum in Vienna. The specimens come from eight Upper Jurassic localities in the Polish Jura Chain. A great number of specimens allows us to identify more repetitive features, which are significant in distinguishing species and genera. These features are localized on the anterior part of the carapace.
Polish Abstrakt
Przedstawiciele rodzaju Tanidromites są bardzo często spotykani na późnojurajskich stanowiskach południowej Polski. Do tej pory na tych stanowiskach zostały odnotowane cztery gatunki znane wcześniej z literatury i jeden nowy. W tym artykule opisane są kolejne trzy nowe gatunki: T. longinosa, T. schweitzerae i, T. wysokaensis. Wyróżniono je na podstawie cech przedniej części karapaksu. Płaskie pole spoczynkowe oka było cechą charakterystyczna dla tego gatunku do czasu opisania gatunku T. alexandrae Starzyk, 2015. Tanidromites schweitzerae n. sp., opisany tutaj, jest drugim gatunkiem z głębokim polem spoczynkowym oka. U tego gatunku oko było chronione tylko przez brzeg podorbitalny, który wystaje poza brzeg nadorbitalny. Te nowe cechy rozszerzają charakterystykę rodzaju. Większa różnorodność mogła być związana ze zmianami środowiskowymi. W publikacji znajduje się klucz do oznaczania 14 gatunków należących do rodzaju Tanidromites.
Translation by author
Resumen en Español
Tres especies nuevas del género Tanidromites (Decapoda: Brachyura: Tanidromitidae) del Jurásico Tardío de Polonia
Los representantes de Tanidromites son braquiuros muy comunes en las localidades oxfordianas del sur de Polonia. Existen cuatro especies registradas en estas localidades conocidas previamente de la literatura y una nueva. Aquí se describen otras 3 especies nuevas: T. longinosa, T. schweitzerae y T. wysokaensis. Estas especies pueden distinguirse por caracteres repetitivos de la parte anterior del caparazón. El augenrest aplanado era un rasgo característico de este género antes de que T. alexandrae Starzyk, 2015 fuera descripto. Tanidromites schweitzerae n. sp., descripta aquí, es la segunda especie del género con un margen orbital elevado. Esta especie difiere de otras por poseer solamente el margen suborbital elevado. Estos caracteres nuevos expanden el patrón del género y lo hacen más variado, y pueden estar relacionados con cambios ambientales. Se provee una clave para todas las 14 especies de Tanidromites.
Palabras clave: Brachyura; Homolodromioidea; Tanidromitidae; especie nueva; Jurásico; augenrest
Traducción: Diana Elizabeth Fernández
Résumé en Français
text
Translator: Kenny J. Travouillon or Antoine Souron
Deutsche Zusammenfassung
Drei neue Arten der Gattung Tanidromites (Decapoda: Brachyura: Tanidromitidae) aus dem späten Jura (Oxfordium) von Polen
Vertreter von Tanidromites sind häufige Brachyura in Fundstellen aus dem Oxfordium von Südpolen. Es gab bis jetzt vier Arten aus der Literatur aus diesen Fundstellen und eine neue Art. Hier werden drei neue Arten beschrieben: T. longinosa, T. schweitzerae und T. wysokaensis. Diese Arten können durch repetitive Merkmale im anterioren Bereich des Panzers unterschieden werden. Ein flacher Augenrest war das charakteristische Merkmal bis T. alexandrae Starzyk, 2015 beschrieben wurde. Tanidromites schweitzerae n. sp., der hier beschrieben wird, ist die zweite Art dieser Gattung mit einem erhöhten Orbitalrand. Diese Art unterscheidet sich von anderen dadurch, dass nur der suborbitale Rand erhöht ist. Diese neuen Merkmale erweitern das Muster dieser Gattung und machen sie vielfältiger, was möglicherweise mit veränderten Umweltbedingungen zusammenhängt. Ein Schlüssel zu allen 14 Arten von Tanidromites wird zur Verfügung gestellt.
Schlüsselwörter: Brachyura; Homolodromioidea; Tanidromitidae; neue Art; Jura; Augenrest
Translator: Eva Gebauer
Arabic
Translator: Ashraf M.T. Elewa
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Review: The Princeton Field Guide to Mesozoic Sea Reptiles
The Princeton Field Guide to Mesozoic Sea Reptiles
Article number: 26.1.1R
April 2023