isopterus, Heterobranchus Bleeker [P.] 1863:108, Pl. 22 (fig. 1) [Natuurkundige Verhandelingen van de Hollandsche Maatschappij der Wetenschappen te Haarlem (Ser. 2) v. 18 (1862); ref. 395] Boutry River, Guinea. Holotype (unique): RMNH 2977 or ZMB 6590. Bleeker specimens: ZMB 3073 [ex RMNH] (1). Type catalog: Ferraris 2007:151 [ref. 29155]. •Valid as Heterobranchus isopterus Bleeker 1863 -- (Teugels 1986:99 [ref. 6193], Burgess 1989:147 [ref. 12860], Lévêque et al. 1989:119 [ref. 26480], Paugy & Bénech 1989:303 [ref. 26478], Paugy et al. 1990:340 [ref. 26477], Teugels in Lévêque et al. 1992:472 [ref. 21590], Poll & Gosse 1995:191 [ref. 24781], Dankwa et al. 1999:35 [ref. 28023], Agnèse & Teugels 2001:548 [ref. 25239], Ferraris 2007:151 [ref. 29155]). Current status: Valid as Heterobranchus isopterus Bleeker 1863. Clariidae. Distribution: Western Africa. Habitat: freshwater.