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A Classification of the Recent Elasmobranchii

A Classification of the Recent Elasmobranchii

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from <strong>the</strong> Rio Orinoco, exact locality not known, taken by a local fisherman in 1990.<br />

Holotype MTUF 26895 at Tokyo University <strong>of</strong> Fisheries.<br />

INDETERMINATE SPECIES<br />

RAJA ORBICULARIS Bloch & Schneider 1801<br />

Aiereba MARCGRAVE 1648 (Brazil ) Nat. Hist. <strong>of</strong> Brazil. This is not a Potamotrygonid, but an<br />

unidentifiable marine species <strong>of</strong> <strong>the</strong> genus Dasyatis.<br />

Aiereba brasiliensibus JONSTON 1649 (on Aiereba MARCGRAVE 1648).<br />

Raja ajereba WALBAUM 1792 (on Aiereba MARCGRAVE 1648). (Inadmissible work in Zoology)<br />

Raja orbicularis BLOCH & SCHNEIDER 1801 (on Aiereba MARCGRAVE 1648).<br />

PASTINACA HUMBOLDTI Dumeril 1865<br />

Pastenague de Humboldt ROULIN 1829 (Illustration.)<br />

Pastinaca humboldtii DUMERIL 1865<br />

Trygon garrapa SCHOMBURGK 1843 Sp. indet.<br />

Elipesurus spinicauda SCHOMBURGK 1843. New genus and species but regarded by most<br />

authors as indeterminable.<br />

Potamotrygon africana ARAMBOURG 1947 Sp. indet. based on caudal spines from fossil<br />

palaeo-environments in Nanoropus ,Ethiopia.<br />

Potamotrygon labratoris CASTEX 1963 Invalid name.<br />

Potamotrygon pauckei CASTEX 1963 t/l; Rio Parana, Santa Fe, Argentina. Invalid name.<br />

Potamotrygon alba CASTEX 1963 Sp. indet. Fossil.<br />

Raja brasiliensis MUELLER & HENLE 1841. This is a nom. dub. in Rajidae which may or may<br />

not involve <strong>the</strong> indeterminate Dasyatid marine species Aiereba MARCGRAVE.<br />

165

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