discorhynchus, Mormyrus Peters [W. (C. H.)] 1852:275 [Bericht über die zur Bekanntmachung geeigneten Verhandlungen der Königlichen Preussischen Akademie der Wissenschaften zu Berlin 1852; ref. 18539] Lower Zambezi River, Mozambique. Lectotype: ZMB 3674. Paralectotypes: ZMB 3673 (1), 3675-76 (1, 1), 23374 (1). Also in Peters 1868:75, Pl. 14 [ref. 3440]. Lectotype selected by Seegers 1996:69 [ref. 23725]. •Valid as Cyphomyrus discorhynchus (Peters 1852) -- (Myers 1960:125 [ref. 3128], van der Bank & Kramer 1996:287 [ref. 29516], Skelton 2001:97 [ref. 27406], Lavoué et al. 2003:288 [ref. 29517]). •Valid as Hippopotamyrus discorhynchus (Peters 1852) -- (Gosse 1984:74 [ref. 6169], Seegers 1996:68 [ref. 23725], De Vos et al. 2001:129, 131 [ref. 26059], Snoeks 2004:20 [ref. 28111], Kullander & Roberts 2012:368 [ref. 31751]). •Valid as Cyphomyrus discorhynchus (Peters 1952) -- (Kramer & van der Bank 2011:2669, 2689 [ref. 31546], Marshall 2011:48 [ref. 31755], Mulelenu et al. 2020:12 [ref. 37340], Munene et al. 2021:20 [ref. 39283], Abwe et al. 2023:28 [ref. 39992]). Current status: Valid as Cyphomyrus discorhynchus (Peters 1852). Mormyridae. Distribution: Central and southern Africa. Habitat: freshwater.