guyanensis, Parodon Géry [J.] 1960:481, Figs. 1-2 [Bulletin du Muséum National d'Histoire Naturelle (Série 2) v. 31 (no. 6) (for 1959); ref. 9349] Crique Deux-Branches, Upper Mana, French Guiana. Holotype: Géry coll. H04-20 bis-1. Paratypes: ANSP 94712 (1), Géry coll. H04-20 bis 2 to 7 (orig. 6), MCZ 48969 (1, c&s), MNHN 1959-0034 (1), USNM 179761 (1), ZSM 17797 (1). Type catalog: Böhlke 1984:137 [ref. 13621], Vari & Howe 1991:33 [ref. 19022], Neumann 2011:260, 274 [ref. 31652]. •Valid as Apareiodon guyanensis (Géry 1960) -- (Starnes & Schindler 1993:755 [ref. 21014], Bonilla et al. 1999:1 [ref. 25109]). •Valid as Parodon guyanensis Géry 1960 -- (Géry et al. 1991:30 [ref. 21021], Planquette et al. 1996:106 [ref. 22818], Pavanelli in Reis et al. 2003:48 [ref. 27061], Ingenito & Buckup 2005:770 [ref. 28479], Taphorn et al. 2008:33 [ref. 29897], Brosse et al. 2019:136 [ref. 38320], Borstein et al. 2022:16 [ref. 39507], Taphorn et al. 2022:27 [ref. 41297]). Current status: Valid as Parodon guyanensis Géry 1960. Parodontidae. Distribution: South America: Orinoco River basin and coastal rivers (French Guiana, Guyana, Suriname and Venezuela). Habitat: freshwater.