Please look in Eschmeyer's Catalog of Fishes for authorships of sections, Families of Fishes (all), and related information.

Genera in the family or subfamily Potamotrygonidae: [ 9 ] records

Anacanthes Ehrenberg [C. G.] in van der Hoeven 1832:179 Masc. Raja orbicularis Bloch & Schneider 1801. Type by monotypy. Type species inferred from 'Les Anacanthes' of Ehrenberg in Cuvier 1829:400 [ref. 995] which appeared with vernacular name only. Not; preoccupied by Anacanthus Gray 1830. Unneeded replacement by Rhachinotus Cantor 1849. •Synonym of Paratrygon Duméril 1865. 1°Homonym. Current status: Synonym of Paratrygon Duméril 1865. Potamotrygonidae: Potamotrygoninae.

Disceus Garman [S.] 1877:208 Masc. Trygon strogylopterus Jardine 1843. Type by monotypy. Based on a misidentified type species according to Castex 1964:33 [ref. 20924] and Fowler 1970:571 [ref. 7313], Garman's specimens are Disceus thayeri Garman 1913. •Synonym of Elipesurus Schomburgk 1843 -- (Fowler 1970:571 [ref. 7313]). •Valid as Disceus Garman 1877 -- (Castex 1964:18 [ref. 20924]). •Synonym of Paratrygon Duméril 1865 -- (Rosa 1991:426 [ref. 30634], Carvalho et al. in Reis et al. 2003:25 [ref. 27061], Carvalho & Lovejoy 2011:18 [ref. 31182]). Current status: Synonym of Paratrygon Duméril 1865. Potamotrygonidae: Potamotrygoninae.

Elipesurus Schomburgk [R. H.] 1843:184 Masc. Elipesurus spinicauda Jardine 1843. Type by monotypy. Original is Elipesurus; Ellipesurus is a misspelling or unjustified emendation. •Valid as Elipesurus Jardine 1843 -- (Castex 1964:18 [ref. 20924] with author as Schomburgk, Bailey 1969:133 [ref. 14234] with author as Schomburgk, Fowler 1970:571 [ref. 7313] with author as Schomburgk; see Rosa et al. 1987:447 [ref. 5974]). •Genus inquirendum -- (Carvalho et al. in Reis et al. 2003:26 [ref. 27061], Carvalho & Lovejoy 2011:18 [ref. 31182] with author as Schomburgk). Nomen Dubium. Current status: Uncertain as Elipesurus Schomburgk 1843. Potamotrygonidae: Potamotrygoninae.

Heliotrygon Carvalho [M. R. de] & Lovejoy [N. R.] 2011:17 Fem. Heliotrygon gomesi Carvalho & Lovejoy 2011. Type by original designation. •Valid as Heliotrygon Carvalho & Lovejoy 2011 -- (Carvalho et al. 2011:1 [ref. 31264], Carvalho & Ragno 2011:135 [ref. 31309], Carvalho et al. 2016:203 [ref. 34827], Carvalho 2016:620 [ref. 34997]). Current status: Valid as Heliotrygon Carvalho & Lovejoy 2011. Potamotrygonidae: Potamotrygoninae.

Paratrygon Duméril [A. H. A.] 1865:594 Fem. Trygon aiereba Müller & Henle 1841. Type by monotypy. Preoccupied by Anacanthes Ehrenberg 1833, but Paratrygon Duméril 1865 in prevailing usage. •Valid as Paratrygon Duméril 1865 -- (Rosa et al. 1987:447 [ref. 5974], Rosa 1991:426 [ref. 30634], Compagno 1999:495 [ref. 25589], Carvalho et al. in Reis et al. 2003:23 [ref. 27061], Carvalho & Lovejoy 2011:18 [ref. 31182], Carvalho et al. 2011:1 [ref. 31264], Carvalho & Ragno 2011:135 [ref. 31309], Frederico et al. 2012:71 [ref. 31909], Carvalho et al. 2016:203 [ref. 34827], Carvalho 2016:620 [ref. 34997], Loboda et al. 2021:1 [ref. 38382]). Current status: Valid as Paratrygon Duméril 1865. Potamotrygonidae: Potamotrygoninae.

Pastenagus Roulin [F. D.] 1829:465 Masc. Pastenagus humboldtii Roulin 1829. Type by monotypy. •Nomen oblitum -- (Roberts 2021:106 [ref. 38077]). Nomen Oblitum. Current status: Synonym of Potamotrygon Garman 1877. Potamotrygonidae: Potamotrygoninae.

Plesiotrygon Rosa [R. S.], Castello [H. P.] & Thorson [T. B.] 1987:449 Fem. Plesiotrygon iwamae Rosa, Castello & Thorson 1987. Type by original designation (also monotypic). •Valid as Plesiotrygon Rosa, Castello & Thorson 1987 -- (Compagno 1999:495 [ref. 25589], Carvalho et al. in Reis et al. 2003:23 [ref. 27061], Carvalho & Lovejoy 2011:18 [ref. 31182], Carvalho et al. 2011:1 [ref. 31264], Carvalho & Ragno 2011:103 [ref. 31309] with comments on p. 135, Lasso et al. 2011:174 [ref. 31491], Frederico et al. 2012:72 [ref. 31909], Carvalho et al. 2016:203 [ref. 34827], Carvalho 2016:620 [ref. 34997]). Current status: Valid as Plesiotrygon Rosa, Castello & Thorson 1987. Potamotrygonidae: Potamotrygoninae.

Potamotrygon Garman [S.] 1877:210 Fem. Pastenagus humboldtii Roulin 1829. Type by subsequent designation. Type given as hystrix as designated by Jordan 1919:389 [ref. 4904] by Séret & McEachran 1987:6 [ref. 9312]; Garman treated histrix as a synonym of humboldtii. Eigenmann 1910 says type is humboldtii Roulin. •Valid as Potamotrygon Garman 1877 -- (Castex 1964:18 [ref. 20924], Rosa et al. 1987:447 [ref. 5974], Nishida 1990:98 [ref. 19783], Britski et al. 1999:21 [ref. 24147], Compagno 1999:495 [ref. 25589], Carvalho et al. in Reis et al. 2003:23 [ref. 27061] with type as histrix, Deynat 2006:484 [ref. 28948], Rosa et al. 2008:1 [ref. 29564], Oddone et al. 2008:69 [ref. 29661],/ Carvalho & Lovejoy 2011:45 [ref. 31182], Carvalho et al. 2011:1 [ref. 31264], Carvalho & Ragno 2011:135 [ref. 31309], Silva & Carvalho 2011:140 [ref. 31310], Ng et al. 2011:2385 [ref. 31474], Oddone et al. 2012:299 [ref. 31835], Frederico et al. 2012:72 [ref. 31909], Kottelat 2013:28 [ref. 32989], Loboda & Carvalho 2013:693 [ref. 33024], Fontenelle et al. 2014:249 [ref. 33180], Silva & Carvalho 2015:5 [ref. 33871], Carvalho et al. 2016:566 [ref. 34422], Carvalho 2016:537 [ref. 34666], Carvalho 2016:5 [ref. 34730], Bertaco et al. 2016:411 [ref. 34561], Carvalho et al. 2016:203 [ref. 34827], Carvalho 2016:620 [ref. 34997], Fontenelle & Carvalho 2017:1 [ref. 35537], Silva & Loboda 2019:1 [ref. 36727], Roberts 2021:93 [ref. 38077]). Current status: Valid as Potamotrygon Garman 1877. Potamotrygonidae: Potamotrygoninae.

Styracura Carvalho [M. R. de], Loboda [T. S.] & da Silva [J. P. C. B.] 2016:203 Fem. Trygon schmardae Werner 1904. Type by original designation. •Valid as Styracura Carvalho, Loboda & da Silva 2016 -- (Carvalho 2016:620 [ref. 34997], Ehemann et al. 2018:26 [ref. 36194]). Current status: Valid as Styracura Carvalho, Loboda & da Silva 2016. Potamotrygonidae: Styracurinae.