pachynema, Clarias Boulenger [G. A.] 1903:438 [Annals and Magazine of Natural History (Series 7) v. 12 (no. 70) (art. 42); ref. 15018] Ja River, southern Cameroon. Lectotype: BMNH 1903.7.28.191. Paralectotypes: BMNH 1903.7.28.192-193 (2). Type catalog: Ferraris 2007:146 [ref. 29155]. Lectotype selected by Teugels 1980:686 [ref. 21193]. •Valid as Clarias pachynema Boulenger 1903 -- (Teugels 1980:678 [ref. 21193], Teugels 1986:92 [ref. 6193], Teugels 1986:117 [ref. 12548], Burgess 1989:146 [ref. 12860], Teugels in Lévêque et al. 1992:490 [ref. 21590], Ferraris 2007:146 [ref. 29155], Teugels et al. 2007:683 [ref. 30030], Kiselkewa et al. 2020:[10] 709 [ref. 38315], Munene et al. 2021:22 [ref. 39283], Stiassny et al. 2021:1687 [ref. 39000], Fermon et al. 2022:152 [ref. 39448], Walsh et al. 2022:[6] [ref. 39281]). Current status: Valid as Clarias pachynema Boulenger 1903. Clariidae. Distribution: Western-central Africa: coastal rivers of Cameroon and Gabon, to central Congo River system (Democratic Republic of Congo). Habitat: freshwater.