pappenheimi, Marcusenius Boulenger [G. A.] 1910:540 [Annals and Magazine of Natural History (Series 8) v. 6 (no. 36); ref. 577] Quanza River at Cunga, Angola. Syntypes: ANSP 37971 (1), BMNH 1910.11.28.36-43 (orig. 10), NMW 58926 (3), USNM 86610 (1), ZMB 18203 (3). Type catalog: Böhlke 1984:128 [ref. 13621]. •Valid as Hippopotamyrus pappenheimi (Boulenger 1910) -- (Gosse 1984:76 [ref. 6169], Kramer & Swartz 2010:2229 [ref. 30915], Skelton 2019:231 [ref. 36564], Mutizwa et al. 2021:[7] [ref. 38598]). •Valid as Heteromormyrus pappenheimi (Boulenger 1910) -- (Sullivan et al. 2022:177 [ref. 39811]). Current status: Valid as Heteromormyrus pappenheimi (Boulenger 1910). Mormyridae. Distribution: Southern Africa: Angola. Habitat: freshwater.