paradoxa, Lepidosiren Fitzinger [L. J. F. J.] 1837:379 [Isis (Oken) v. 30 (no. 5); ref. 1338] Amazon, Paraguay and lower Paraná River basins: Argentina, Bolivia, Colombia, French Guiana, Paraguay, Peru and Venezuela. Syntypes: ?NMW 16414 (1, dry), 90977 (1, dry). See Natterer 1839 [ref. 20710] for a more complete description. •Valid as Lepidosiren paradoxa Fitzinger 1837 -- (Ortega & Vari 1986:6 [ref. 9708], Planquette et al. 1996:43 [ref. 22818], Britski et al. 1999:22 [ref. 24147], Lasso et al. 2001:94 [ref. 25928], Arratia in Reis et al. 2003:671 [ref. 27061], López et al. 2003:7 [ref. 27366], Menni 2004:71 [ref. 28131], Bogotá-Gregory & Maldonado-Ocampo 2006:301 [ref. 28943], López et al. 2008:1 [ref. 29673], Sarmiento et al. 2014:114, 188 [ref. 35004], Mirande & Koerber 2015:60 [ref. 35117], Reis et al. 2016:12, 14, 15 [ref. 34496], Koerber et al. 2017:82 [ref. 35267], DoNascimiento et al. 2017:103 [ref. 35633], Meza-Vargas et al. 2021:14 [ref. 39298]). Current status: Valid as Lepidosiren paradoxa Fitzinger 1837. Lepidosirenidae. Distribution: South America: Amazon, Paraguay, lower Paraná River and Orinoco River basins (Argentina, Bolivia, Brazil, Colombia, French Guiana, Paraguay, Peru and Venezuela). Habitat: freshwater.