Classifications of the Elasmobranch Genus: Potamotrygon
Family POTAMOTRYGONIDAE
Genus
POTAMOTRYGON Garman 1877
Taenura (sic) CASTELNAU 1855 (lapsus)
Toenura (sic) CASTELNAU 1855 (lapsus)
Potamotrygon GARMAN 1877, type Trygon histrix MUELLER & HENLE
( in D'ORBIGNY 1834 ) by subsequent designation of Jordan 1919.
Ellipesurus RIBEIRO 1907 (part)
Potamotrigon (sic) MILES 1947 (lapsus)
Potomotrygon (sic) CASTEX 1964 (lapsus)
Potamotrygan (sic) CASTEX 1964 (lapsus)
Potamotriygon (sic) ACHENBACH 1971 (lapsus)
P. HISTRIX (Mueller & Henle in D' Orbigny)1834 Porcupine or Mottled River Stingray; Raya negra.
Trygon histrix MUELLER & HENLE in D'Orbigny 1834 (illustration ) t/l;Buenos Aires, Argentina Trygon hystrix MUELLER & HENLE 1841 (text) (part) t/l;Buenos Aires (type locality restricted)
non Potamotrygon nistrix (sic) McCORMICK et.al 1963 (illus.)
Range; La Plata and Lower Rio Parana, Argentina
P. MOTORO (Natterer in Mueller & Henle)1841 Ocellate or Orange-spot River Stingray;
Raia motoro, boro, raya maca (vernaculars, Brazil) raya overa,raya pintada, yavevi-guazu (vernaculars,Argentina and Paraguay).
Raja motoro NATTERER in MUELLER & HENLE 1841 t/l; RioCuiaba,Mato Grosso, Brazil.
Trygon (Taenura) muelleri CASTELNAU 1855 t/l;Rio Crixas and Rio Araguaia, Brazil
Potamotrygon laticeps GARMAN 1913 t/l; Tefe and Obidos,Rio Amazonas.
Potamotrygon circularis GARMAN 1913 (part) t/l;Rio Coari.
Range; Widespread in tropical & subtropical South America throughout Orinoco, Amazon and La Plata systems.
P. ORBIGNYI (Castelnau) 1855 Smoothback River Stingray
Trygon (Taenura) d'orbignyi CASTELNAU 1855 t/l;Rio Tocantins, Brazil
Toenura orbignyi CASTELNAU 1855
Trygon reticulatus GUNTHER 1880 t/l; Surinam
Range; Wide distribution in Amazon, Orinoco and Guiana river systems.
P. DUMERILI (Castelnau) 1855 Anglespot River Stingray
Trygon (Taenura) dumerilii CASTELNAU 1855 t/l;Rio Araguaia, Brazil
Range; Rio Araguaia, Brazil. Lower Parana and Paraguay rivers.
P. HENLEI (Castelnau) 1855 Bigtooth River Stingray; Arraia de fogo
Trygon (Taenura) henlei CASTELNAU 1855 t/l;Rio Tocantins, Brazil
Range; Tocantins,Araguaia and Para systems,Brazil.
P. MAGDALENAE (Valenciennes in Dumeril ) 1865 Magdalena River Stingray
Taeniura magdalenae VALENCIENNES in DUMERIL 1865 t/l;Rio Magdalena, Colombia.
Range;Rio Magdalena and Atrato, Northern Colombia.
P. BRACHYURA (Gunther) 1880 Short-tailed River Stingray; Chucho de rio (Uruguay); Yavevih, yabebi, raya bobo (Argentina and Paraguay); raya grande (Brazil).
Trygon brachyurus GUNTHER 1880 t/l; Buenos Aires, Argentina
Potamotrygon brumi DEVICENZI & TEAGUE 1942 t/l; Isla Queguay Grande, Rio Uruguay
Potamotrygon bruni TANIUCHI 1982 (lapsus)
Range; Rio Paraguay, Parana, Uruguay and La Plata.
P. CONSTELLATA (Vaillant ) 1880 Thorny River Stingray
Taeniura constellata VAILLANT 1880 t/l; Calderao (Calderon), Upper Amazon, Brazil.
Potamotrygon circularis GARMAN 1913 (part) (Tefe,Upper Amazon, Brazil)
Range; Upper Amazon from Colombia border to Manaos, Brazil. Rio Arata, Southern Colombia.
P. OCELLATA (Engelhardt) 1912 Redblotched River Stingray
Trygon hystrix var. ocellata ENGELHARDT 1912 t/l;South coast of Mexiana I., mouth of the Amazon.Brazil and Macapa, Rio Araguari mouth near Amazon mouth.
Range; Known only from the type locality.
P. SIGNATA Garman 1913 Parnaiba River Stingray
Potamotrygon signatus GARMAN 1913 t/l;San Goncallo, Rio Parnaiba,Piaui, Brazil.
Range; Rio Parnaiba,Piaui, Brazil.
P. SCOBINA Garman 1913 Raspy River Stingray
Potamotrygon scobina GARMAN 1913 t/l;Cameta,Rio Tocantins, Brazil.
Range;Middle & Lower Amazon system from Manaos to Belem.
P. HUMEROSA Garman 1913 Roughback River Stingray
Potamotrygon humerosus GARMAN 1913 t/l;Monte Alegre,R.Amazon,Para, Brazil.
Range; Lower Amazon & Para systems from Tapajos to Amazon mouth.
P. SCHROEDERI Yepez 1957 Rosetted River Stingray; Raya guacamaya
Potamotrygon schroederi YEPEZ 1957 t/l;Boca Apurito, Rio Apure, Brazil.
Range; R.Orinoco and R.Negro from headwaters to Manaos.
P. FALKNERI (Castex in) Castex and Maciel 1963 Largespot River Stingray ; Raya reticulada, raya fina, raya pititi
Potamotrygon vistrix CASTEX 1963 (lapsus for histrix)
Potamotrygon hystrix CASTEX 1963 (non MUELLER & HENLE)
Potamotrygon falkneri CASTEX 1963 t/l;Puerto de Santa Fe,Rio Parana, Argentina
Potamotrygon menchacai ACHENBACH 1967 t/l;Rio Colastine, Parana system,Santa Fe,Argentina.
Range; N.E. Argentina, Central Paraguay and West Brazil in La Plata system.
P. SCHUEMACHERI Castex 1964 Parana River Stingray
Potamotrygon schuemacheri CASTEX 1964 t/l; Rio Colastine Sur, Lower Parana, Santa Fe, Argentina
Range; Known only from the holotype.
P. CASTEXI Castello & Yagolkowski 1969 Vermiculate River Stingray; Raya acordonada
Potamotrygon castexi CASTELLO & YAGOLKOWSKI 1969 t/l;Rosario,Rio Parana, Argentina.
Potamotrygon nistrix McCORMICK, ALLEN & YOUNG 1963 (illus.) (lapsus)
Range;Lower Parana and Paraguay systems. R. Guapore in Upper Amazon system. Possibly Rio Trombetas in Lower Amazon system.
P. LEOPOLDI Castex & Castello 1970 Whiteblotched or Polkadot River Stingray
Potamotrygon leopoldi CASTEX & CASTELLO 1970 t/l; Upper Rio Xingu, Brazil
Range; Probably endemic to Xingu system.
P. YEPEZI Castex & Castello 1970 Maracaibo River Stingray
Potamotrygon yepezi CASTEX & CASTELLO 1970 t/l; Rio Palmar, R.Maracaibo system,Venezuela.
Range; R.Maracaibo system
Potamotrygon sp. A RICARDO ROSA 1985 cf. motoro Material from the Rio Solimoes (Upper Amazon) and the Ucayali from Contamana, Peru to Obidos, Brazil. May be an intraspecific variant of motoro or a new species.
Potamotrygon sp. B RICARDO ROSA 1985 cf. motoro / ocellata. Material from Rio Corantijn, Surinam
Possible morph of motoro or ocellata.
Potamotrygon sp. no. 1 MARCELO CARVALHO AMNH Holotype
POTAMOTRYGONIDAE new species ISHIHARA & TANIUCHI 1995. Unnamed genus & species from the Rio Orinoco, exact locality not known, taken by a local fisherman in 1990.
Holotype MTUF 26895 at Tokyo University of Fisheries.