gracilis, Iguanodectes Géry [J.] 1993:100, Fig. 7 [Revue française d'Aquariologie Herpétologie v. 19 (no. 4) [for 1992]; ref. 20969] Rio Mamolé, affluent of Rio Cuiuini, Rio Negro system, Brazil. Holotype: MZUSP 45682. Paratypes: (2). Type catalog: Oyakawa 1996:470 [ref. 23140]. •Valid as Iguanodectes gracilis Géry 1993 -- (Moreira in Reis et al. 2003:172 [ref. 27061], Moreira 2024:376 [ref. 40817]). Current status: Valid as Iguanodectes gracilis Géry 1993. Iguanodectidae. Distribution: South America: Negro River basin, Amazonas, Brazil. Habitat: freshwater.