Potamotrygonidae
Potamotrygonidae miliobatiformeen ordenako arrain-familia da, Hego Amerikako ur gezatan bizi dena. FishBasek familiak 26 espezie dituela dio, 5 generotan banaturik, baina salikapen taxonomikoa zalantzazkoa da. Hona hemen onarturikoa:

 Heliotrygon generoa Carvalho & Lovejoy, 2011
 Heliotrygon gomesi Carvalho & Lovejoy, 2011<ref>{{erreferentzia|izenburua=Morphology and phylogenetic relationships of a remarkable new genus and two new species of Neotropical freshwater stingrays from the Amazon basin (Chondrichthyes: Potamotrygonidae)| egilea = De Carvalho, M.R. & N.R. Lovejoy |aldizkaria=Zootaxa|alea = 2776|orrialdea=13–48|urtea=2011}}</ref>
 Heliotrygon rosai Carvalho & Lovejoy, 2011
 Paratrygon generoa A. H. A. Duméril, 1865
 Paratrygon aiereba Walbaum, 1792
 Plesiotrygon generoa Rosa, Castello & Thorson, 1987
 Plesiotrygon iwamae Rosa, Castello & Thorson, 1987
 Plesiotrygon nana Carvalho & Ragno, 2011
 Potamotrygon generoa Garman, 1877
 Potamotrygon amandae Loboda & M. R. de Carvalho, 2013
 Potamotrygon boesemani Rosa, M. R. de Carvalho & Almeida Wanderley, 2008
 Potamotrygon brachyura (Günther, 1880)
 Potamotrygon constellata (Vaillant, 1880)
 Potamotrygon falkneri Castex & Maciel, 1963
 Potamotrygon henlei (Castelnau, 1855)
 Potamotrygon humerosa Garman, 1913
 Potamotrygon hystrix (J. P. Müller & Henle, 1834)
 Potamotrygon leopoldi Castex & Castello, 1970
 Potamotrygon limai Fontenelle, J. P. C. B. da Silva & M. R. de Carvalho, 2014
 Potamotrygon magdalenae (A. H. A. Duméril, 1865)
 Potamotrygon marinae Deynat, 2006
 Potamotrygon motoro (J. P. Müller & Henle, 1841)
 Potamotrygon ocellata (Engelhardt, 1912)
 Potamotrygon orbignyi (Castelnau, 1855)
 Potamotrygon pantanensis Loboda & M. R. de Carvalho, 2013
 Potamotrygon schroederi Fernández-Yépez, 1958
 Potamotrygon schuhmacheri Castex, 1964
 Potamotrygon scobina Garman, 1913
 Potamotrygon signata Garman, 1913
 Potamotrygon tatianae J. P. C. B. da Silva & M. R. de Carvalho, 2011
 Potamotrygon tigrina M. R. de Carvalho, Sabaj Pérez & Lovejoy, 2011
 Potamotrygon yepezi'' Castex & Castello, 1970

Erreferentziak

Kanpo estekak
Potamotrygonidae miliobatiformeen ordenako arrain-familia da , Hego Amerikako ur gezatan bizi dena . FishBasek familiakespezie dituela dio,generotan banaturik , baina salikapen taxonomikoa zalantzazkoa da . Hona hemen onarturikoa : Heliotrygon generoa Carvalho & Lovejoy , Heliotrygon gomesi Carvalho & Lovejoy,ref>{ { erreferentzia|izenburua=Morphology and phylogenetic relationships of a remarkable new genus and two new species of Neotropical freshwater stingrays from the Amazon basin ( Chondrichthyes : Potamotrygonidae ) | egilea = De Carvalho , M.R . & N.R . Lovejoy |aldizkaria=Zootaxa|alea =orrialdea=13–48|urtea=2011 } } </ref> Heliotrygon rosai Carvalho & Lovejoy , Paratrygon generoa A. H . A. Duméril , Paratrygon aiereba Walbaum , Plesiotrygon generoa Rosa , Castello & Thorson , Plesiotrygon iwamae Rosa , Castello & Thorson , Plesiotrygon nana Carvalho & Ragno , Potamotrygon generoa Garman , Potamotrygon amandae Loboda & M. R . de Carvalho , Potamotrygon boesemani Rosa , M. R . de Carvalho & Almeida Wanderley , Potamotrygon brachyura ( Günther , Potamotrygon constellata ( Vaillant , Potamotrygon falkneri Castex & Maciel , Potamotrygon henlei ( Castelnau , Potamotrygon humerosa Garman , Potamotrygon hystrix ( J. P. Müller & Henle , Potamotrygon leopoldi Castex & Castello , Potamotrygon limai Fontenelle , J. P. C. B . da Silva & M. R . de Carvalho , Potamotrygon magdalenae ( A. H . A. Duméril , Potamotrygon marinae Deynat , Potamotrygon motoro ( J. P. Müller & Henle , Potamotrygon ocellata ( Engelhardt , Potamotrygon orbignyi ( Castelnau , Potamotrygon pantanensis Loboda & M. R . de Carvalho , Potamotrygon schroederi Fernández-Yépez , Potamotrygon schuhmacheri Castex , Potamotrygon scobina Garman , Potamotrygon signata Garman , Potamotrygon tatianae J. P. C. B . da Silva & M. R . de Carvalho , Potamotrygon tigrina M. R . de Carvalho , Sabaj Pérez & Lovejoy , Potamotrygon yepezi ' ' Castex & Castello , Erreferentziak Kanpo estekak