Valenti, S.V. & Robertson, R. (2009)
Urotrygon aspidura IUCN 2012, IUCN Red List of Threatened Species, Version 2012.2, https://www.iucnredlist.org
Valenti, S.V. & Robertson, R. (2009)
Urotrygon munda IUCN 2012, IUCN Red List of Threatened Species, Version 2012.2, https://www.iucnredlist.org
Robertson, R. & Rojas, R. & Valenti, S.V. & Cronin, E.S. (2009)
Urotrygon nana IUCN 2012, IUCN Red List of Threatened Species, Version 2012.2, https://www.iucnredlist.org
Robertson, R. & Valenti, S.V. (2009)
Urotrygon reticulata IUCN 2012, IUCN Red List of Threatened Species, Version 2012.2, https://www.iucnredlist.org
Robertson, R. & Valenti, S.V. (2009)
Urotrygon simulatrix IUCN 2012, IUCN Red List of Threatened Species, Version 2012.2, https://www.iucnredlist.org