ansorgii, Marcusenius Boulenger [G. A.] 1905:457 [Annals and Magazine of Natural History (Series 7) v. 15 (no. 89) (art. 59); ref. 15344] Between Benguella and Bihé, Angola [probably Kwanza River system]. Syntypes: BMNH 1905.5.29.62-63 (2). •Valid as Hippopotamyrus ansorgii (Boulenger 1905) -- (Gosse 1984:73 [ref. 6169], Skelton 2001:96 [ref. 27406], van der Bank & Kramer 1996:285 [ref. 29516], Kramer et al. 2004:1 [ref. 27728], Kramer & Swartz 2010:2213, 2222, 2230 [ref. 30915], Marshall 2011:47 [ref. 31755], Bruton et al. 2018:33 [ref. 36373], Skelton 2019:230 [ref. 36564], Mutizwa et al. 2021:[7] [ref. 38598]). •Valid as Heteromormyrus ansorgii (Boulenger 1905) -- (Sullivan et al. 2022:177 [ref. 39811]). Current status: Valid as Heteromormyrus ansorgii (Boulenger 1905). Mormyridae. Distribution: Southern Africa: Kwanza River basin (Angola). Habitat: freshwater.