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.