TABLE 1. List of the genera and species included in the Family Argyrolagidae and their temporal and geographic distribution. Abbreviations: AR, Argentina; BO, Bolivia.

Species Temporal distribution Geographic distribution References
Proargyrolagus bolivianus Wolf, 1984 Late Oligocene (Deseadan) Salla-Luribay Basin (BO) Wolf (1984); Sánchez-Villagra and Kay (1997)
Proargyrolagus argentinus Goin and Abello, 2013 Early Miocene (Colhuehuapian) Puesto Almendra, Chubut (AR) Goin and Abello (2013)
Anargyrolagus primus Carlini et al., 2007 Early Miocene (Colhuehuapian) Lower Chubut River valley, Chubut (AR) Carlini et al. (2007); Goin and Abello (2013)
Hondalagus altiplanensis Villarroel and Marshall, 1988 Middle Miocene (Laventan) Quebrada Honda (BO) Villarroel and Marshall (1988); Sánchez-Villagra et al. (2000)
Microtragulus argentinus Ameghino, 1904 ?Early Pliocene (Montehermosan) Monte Hermoso, Buenos Aires (AR) Ameghino (1904); Simpson (1970a); Tomassini et al. (2013)
M. catamarcensis (Kraglievich, 1931) ?Early Miocene - Early Pliocene 25 de Mayo, Mendoza (AR)

?Andalhuala, Catamarca (AR)

Kraglievich (1931); Simpson (1970a); Garrido et al. (2014); García-López and Babot (2015)
Microtragulus sp. ?Late Miocene North of Tucumán (AR) García-López and Babot (2015)
M. reigi Simpson, 1970a Middle Pliocene - Early Pleistocene; Chapadmalan - Marplatan Punta San Andrés, Buenos Aires (AR) Simpson (1970a); Cione and Tonni (2005)
M. bolivianus Hoffstetter and Villarroel, 1974 ?Early Pliocene - Early Pleistocene

Montehermosan - Marplatan

Vizcachani (BO)

San Roque, Jujuy (AR)

Hoffstetter and Villarroel (1974); Ortiz et al. (2012)
Argyrolagus palmeri Ameghino, 1904 Early Pliocene; Montehermosan Monte Hermoso, Buenos Aires (AR) Ameghino (1904); Tomassini et al. (2013)
A. scagliai Simpson, 1970a Middle Pliocene; Chapadmalalan Miramar, Buenos Aires (AR) Simpson (1970a)
A. parodii Rusconii, 1933 Middle Pliocene; Chapadmalalan Chapadmalal, Buenos Aires (AR) Rusconi (1933); Simpson (1970a, b)
A. rusconii (Goin, Montalvo, and Visconti, 2000) Late Miocene Bajo Giuliani, La Pampa (AR) Goin et al. (2000); García-López and Babot (2015)
Argyrolagus sp. ?Late Miocene Caleufú, La Pampa (AR) Abello et al. (2002)

 

 

TABLE 2. Measurements of the lower dentition of Microtragulus bolivianus (in mm). * Measures taken from Hoffstetter and Villarroel (1974).

  i1 i2 m1 m2 m3 m4 m1-m4 i1-m4
  L W L W L W L W L W L W L L
                             
Holotype* 1.3 .6 - - - - - - 1.5 1.3 1.4 1.0 - 10.3
JUY-P-0066 1.35 0.59 - - 1.50 1.14 1.53 1.49 1.44 1.34 1.14 1.08 5.77 11.01
JUY-P-0067 1.66 0.70 0.92 0.63 1.68 1.27 1.88 1.61 1.68 1.47 1.49 1.19 6.44 12.50