parvipinnis, Ancylodon Cuvier [G.] in Cuvier & Valenciennes 1830:84, Pl. 105 [Histoire naturelle des poissons; ref. 999] Cayenne, French Guiana. No types known. Syntypes: MNHN 0000-7453 (3). Type catalog: Bauchot & Desoutter 1987:6 [ref. 6382]. •Valid as Isopisthus parvipinnis (Cuvier 1830) -- (Chao 1978:37 [ref. 6983], Uyeno & Sato in Uyeno et al. 1983:374 [ref. 14275], Cervigón 1992:404 [ref. 23827], Cervigón 1993:273 [ref. 24474], Andreata & Séret 1996:586 [ref. 16204], Aguilera 1998:50 [ref. 24221], Camargo & Isaac 2001:143 [ref. 27639] as Isophisthus, Chao 2003:1619 [ref. 27097], Casatti & Menezes in Menezes et al. 2003:87 [ref. 27192], Catelani et al. 2014:933 [ref. 37496], Spier et al. 2018:13 [ref. 36103], Ribeiro et al. 2019:4 [ref. 36717], Parenti 2020:18 [ref. 37439], Marceniuk et al. in Marceniuk et al. 2021:635 [ref. 38945]São Paulo, Hoff et al. 2023:8 [ref. 40463]). Current status: Valid as Isopisthus parvipinnis (Cuvier 1830). Sciaenidae. Distribution: Western Atlantic: Costa Rica south to Rio Grande do Sul (Brazil), including southern Caribbean Sea. Habitat: brackish, marine.