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“Comparisons of dental morphology in River stingrays (Chondrichthyes: Potamotrygonidae ) with new fossils from the middle Eocene of Peruvian Amazonia rekindle debate on their evolution.”

Naturwissenchaften.

Sylvain Adnet - Rodolfo Salas Gismondi- Pierre-Olivier Antoine

Comparison material (living potamotrygonid species and Himanturaschmardae). Numbers between square bracketscorrespond to captions of illustrated teeth in fig. 3

MNHN 1997-0495 Paratrygonaiereba, female, 29cm DW – no locality [3-4]; MNHN A-2269 Paratrygonaiereba, male, 30cm DW – Calderon, Brazil [1-2]; Figured P. aiereba – Maranhao, Brazil (Herman et al, 2000: plates 5-8); MNHN 1993-3422 Plesiotrygoniwamae, male, 33.4 cm DW – Rio Napo, Peru [5-6]; Figured Plesiotrygoniwamae – Rio Amazonas, Brazil (Herman et al, 2000: plate 10-13); Coll-FM997 Plesiotrygoniwamae, female, 23.2 cm DW – Peru;Coll-FM992 Plesiotrygon nana, female, 21.4 cm DW – Peru ; FM548 Potamotrygon ?boesmani, 26cm – Colombia [9]; FMNH without collection number Potamotrygonbrachyura, female, 44cm DW–Rio Paraná, Argentina [16] ; FM without number Potamotrygon ?brachyura, female, 44 cm DW– Rio Parana, Argentina; MNHN 1988-0812 Potamotrygoncastexi, male, 43.5cm – Río Mamore, Bolivia [35-36]; FMNH 84091 Potamotrygoncastexi, male, 34cm –Rio Pachitea, Peru [34]; MNHN A-1010 Potamotrygonconstellata, female, 25cm DW – Calderon, Brazil [18-20]; MNHN 0000-2367 Potamotrygondumerili, female (holotype) – Araguaia, Brazil [24]; MNHN 1991-0057 Potamotrygonfalkneri, female – Cuiaba, Brazil; MNHN 0000-2353 Potamotrygonhenlei, (holotype without jaw) – Tocantins, Brazil; Coll-FM37 Potamotrygonhenlei, female, 36.8 cm DW – Brazil [33]; Coll-FM48 Potamotrygonhenlei, male, 34.3 cm DW – Brazil;MNHN 0000-2434 Potamotrygonhystrix, female + male – Rio de Janeiro, Brazil [17]; FMNH 59257 Potamotrygonhystrix, male, 24 cm DW – Paraguay; Figured Potamotrygonhystrix–British Guyana (Herman et al, 2000: plates 14-15); MNHN 2004-0869 Potamotrygon ?leopoldi – Brazil; Coll-FM848 Potamotrygonleopoldi, male, 26.3 cm DW – Brazil [14-15];MNHN 0000-2368 Potamotrygonmagdalenae, male (holotype) – Río Magdalena, Colombia [26-27] ; FMNH 59517 Potamotrygon ?magdalenae (dubious attribution) female, 32 cm DW– Río Sucio, Colombia [6]; FMNH 59518 Potamotrygonmagdalenae, female, 32 cm DW – Rio Truando, Colombia; Coll-FM548 Potamotrygonmagdalenae, female, 26 cm DW – Colombia;MNHN 1998-1811 Potamotrygonmarinae – Tampoc, French Guyana; MNHN 1998-0119 Potamotrygonmarinae, male, 49cm DW – Tampoc, French Guyana [25]; Coll-FM891 Potamotrygonmenchacai, male, 44.6 cm DW –Peru;MNHN 1998-808 Potamotrygonmotoro, female, 24cm DW– no locality [13]; MNHN 1988-809 Potamotrygonmotoro, male, 60cm DW– no locality [11-12]; MNHN 1988-810 Potamotrygonaff. motoro, female, 35.5cm DW– Bolivia [23]; MNHN 1988-1957 Potamotrygonmotoro, female, 17.5 cm DW – Guapore, Bolivia; MNHN A-1004 Potamotrygonmotoro, female – Calderon, Brazil; MNHN A-1006 Potamotrygonmotoro, male – Calderon, Brazil; MNHN A-1008 Potamotrygon ?motoro, decoloured female and male, 20cm DW – Amazon, Brazil [22]; MNHN A-1009 Potamotrygonmotoro – Amazon, Brazil; MCZ 52597 Potamotrygonmotoro, male, 37 cm DW – Paraná de Januaca, Amazonas, Brazil; Coll-FM40 Potamotrygon ?motoro, male, 25 cm DW – Argentina; Coll-FM868 Potamotrygon ?motoro, female, 15.9 cm DW – Amazonas, Brazil;Coll-FM842 Potamotrygon ?motoro female, 18.6 cm DW – Amazonas, Brazil; Coll-FM984 Potamotrygon ?motoro male, 23.8 cm DW – Amazonas,Brazil; Coll-FM39 Potamotrygon ?motoro male, 24.1 cm DW – Colombia [21]; MNHN 1989-0762 Potamotrygonorbignyi, female+male, 24-40cm DW – Oyapock, French Guyana [7-8]; Coll-FM8 Potamotrygonorbignyi, female, 16 cm DW – French Guyana;MNHN 1998-0116 Potamotrygon ?schroederi, male, 25cm DW – Ig. Taparabu, Brazil [28-30]; Coll-FM814 Potamotrygon ?schroederi, male, 24.9 cm DW – Venezuela [37]; MNHN 2433 Potamotrygonyepezi, male, 20cm DW (lack lower teeth)– Lago Maracaibo, Venezuela [31-32]; FMNH without number : Potamotrygon ?yepezi, female, 18 cm DW – Lago Maracaibo, Venezuela; MNHN 1988-1956 Potamotrygon sp., male+female, 9-10cm DW – Río Mamore, Bolivia; MNHN 1996-1216 Potamotrygonsp. – Pitinga, Brazil; MNHN 1997-0496 Potamotrygonsp., female, – no locality; MNHN 1997-0497 Potamotrygonsp., female – no locality; MNHN 1997-0498 Potamotrygon sp., male – no locality; MNHN 2004-0871 Potamotrygonsp. – no locality; MNHN 2004-0957 Potamotrygonsp. – no locality; MNHN 2004-0958 Potamotrygonsp. – no locality; MNHN 1997-3998 Himanturaschmardae, juvenile – no locality; UM REC156-162Himanturaschmardae, male, 28cm TL – West Indies (Cappetta 2012, fig. 410) [38-42].

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