EMYSystem Species Page: Podocnemis unifilis
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OrderOrder Testudines (turtles, tortoises and terrapins)
FamilyFamily Podocnemidae ()
SubfamilySubfamily no_subfamily ()
GenusGenus Podocnemis (South American Side-necked River Turtles)
SpeciesSpecies Podocnemis unifilis (Yellow-spotted River Turtle)
range of species Podocnemis unifilis
approximate range
 
Original Description Troschel 1848 : 647
Type Locality "im Rupununi und Takutu " [= rivers in Guyana (formerly British Guiana)]
Holotype ZMB 142; now lost.
Original name Podocnemis unifilis
Common name Yellow-spotted River Turtle
Distribution Orinoco to Amazon River drainages of Venezuela, eastern Colombia, eastern Ecuador, northeastern Peru, the Guianas, Brazil, and northern Bolivia
Comments Reviewed by Groombridge (1982) and Pritchard and Trebbau (1984). Mittermeier and Wilson (1974) and Wermuth and Mertens (1977) suggested that Emys cayennensis Schweigger (1812:298) may be an older available name for this species. Based on Fretey's (1977:111) information about the type species of Emys cayennensis Schweigger and Emys dumeriliana Schweigger, Hoogmoed and Gruber (1983:346) concluded that E. cayennensis was a junior synonym of P. expansa and that E. dumeriliana was an older available name for P. unifilis. However, following Roger Bour's suggestion, Pritchard and Trebbau (1984:72) showed that the holotype of E. cayennensis (MNHN 8359) is a P. unifilis. The proper name for this species may thus be P. cayennensis, although the more stable name P. unifilis is retained here until the ICZN can act on the problem.
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