Species that contain: Petrocephalus and catostoma [ 8 ] records

affinis, Petrocephalus Steindachner [F.] 1914:536 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Klasse v. 51 (no. 25); ref. 18910] Msola Brook, near Kiperege, Ulanga River system, Rufiji basin, Tanzania. Syntypes: (6) NMW 55117-18 (1, 3). Species illustrated and described in more detail in Steindachner 1915:62 [p. 4 of separate] Pl. 3 (fig. 3) [ref. 15072]. Objectively invalid; preoccupied by Petrocephalus affinis Sauvage 1879, replaced by Petrocephalus steindachneri Fowler 1958. •Synonym of Petrocephalus catostoma (Günther 1866). 1°Homonym. Current status: Synonym of Petrocephalus catostoma (Günther 1866). Mormyridae. Habitat: freshwater.

catostoma, Mormyrus Günther [A.] 1866:222 [Catalogue of the fishes in the British Museum v. 6; ref. 1983] Rovuma [Ruvuma] River, Tanzania/Mozambique, southern Africa. Lectotype: BMNH 1863.10.12.4. Paralectotypes: BMNH 1863.10.12.5-6 (4). Lectotype selected by Whitehead & Greenwood 1959:284 [ref. 12037]. •Valid as Petrocephalus catostoma (Günther 1866) -- (Gosse 1984:110 [ref. 6169], Skelton 1993:99 [ref. 24071], Seegers 1996:82 [ref. 23725], Kramer & van der Bank 2000:393 [ref. 25762], Skelton 2001:99 [ref. 27406], van der Bank & Kramer 1996:282 [ref. 29516]). •Valid as Petrocephalus catostoma (Günther 1866), subspecies catostoma (Günther 1866) -- (De Vos et al. 2001:131 [ref. 26059], Seegers et al. 2003:29 [ref. 28087], Snoeks 2004:20 [ref. 28111], Lavoué et al. 2010:44 [ref. 30944], Lavoué 2011:26 [ref. 31401], Marshall 2011:54 [ref. 31755], Kramer et al. 2012:2232, 2233 [ref. 32160], Lovoué 2012:2167 [ref. 32189], Abwe et al. 2023:28 [ref. 39992]). Current status: Valid as Petrocephalus catostoma (Günther 1866). Mormyridae. Distribution: Southern-central Africa: Rovuma River system and western confluences to Lake Malawi; upper Congo River basin (Tanzania; Mozambique; Democratic Republic of Congo). Habitat: freshwater.

congicus, Petrocephalus stuhlmanni David [L.] & Poll [M.] 1937:199, Fig. 1a [Annales du Musée du Congo Belge Sér. C (Zoologie) (Sér. 1) v. 3 (fasc. 5); ref. 1043] Mukishi River at Lumami, Congo River basin, Democratic Republic of Congo (8°30'S, 24°44'E). Syntypes: MRAC 30807-08 (2). Type catalog: Derijst 1991:62 [ref. 21528]. •Synonym of Petrocephalus catostoma (Günther 1866), but a valid subspecies as described -- (Gosse 1984:111 [ref. 6169], Lavoué et al. 2010:44 [ref. 30944]). •Valid as Petrocephalus congicus David & Poll 1937 -- (Kramer et al. 2012:2232, 2235 [ref. 32160], Lovoué 2012:2167 [ref. 32189], Stiassny et al. 2021:1686 [ref. 39000] as cf. congicus). Current status: Valid as Petrocephalus congicus David & Poll 1937. Mormyridae. Distribution: Western-central Africa: Congo River basin. Habitat: freshwater.

degeni, Petrocephalus Boulenger [G. A.] 1906:434 [Annals and Magazine of Natural History (Series 7) v. 17 (no. 101) (art. 49); ref. 574] Mouth of Katonga River, Lake Victoria [Victoria Nyanza], Uganda, Holotype (unique): BMNH 1906.5.30.84. •Synonym of Petrocephalus catostoma (Günther 1866) -- (Gosse 1984:111 [ref. 6169], Seegers 1996:82 [ref. 23725], Seegers et al. 2003:29 [ref. 28087]). •Valid as Petrocephalus degeni Boulenger 1906 -- (Kramer et al. 2012:2232, 2235 [ref. 32160], Akoth et al. 2023:8 [ref. 40069]). Current status: Valid as Petrocephalus degeni Boulenger 1906. Mormyridae. Distribution: East Africa: Lake Victoria basin. Habitat: freshwater.

haullevillii, Petrocephalus Boulenger [G. A.] 1912:5, Pl. 17 (fig. 1) [Annales du Musée du Congo Belge Sér. C (Zoologie) (Sér. 1) v. 2 (fasc. 3); ref. 581] Chiloanga River at Mayili, Luali River at Lundo and in Luculla River, lower Congo. Syntypes: ANSP 38586-88 (3) Luculla River at Chiloango; BMNH 1912.4.1.181-183 (3) Chiloango River, 1912.4.1.184-185 (2) Luali River at Lundo, 1912.4.1.186-187 (2) Luculla River at Chiloango; MRAC 1496-1501 (1 ea.); ZMB 18795 (1). Type catalog: Böhlke 1984:128 [ref. 13621]. •Synonym of Petrocephalus catostoma (Günther 1866), but a valid subspecies -- (Gosse 1984:111 [ref. 6169] as haullevillei, Lavoué et al. 2010:44 [ref. 30944]). •Valid as Petrocephalus haullevillii Boulenger 1912 -- (Kramer et al. 2012:2232, 2236 [ref. 32160], Lovoué 2012:2167 [ref. 32189], Fermon et al. 2022:127 [ref. 39448] with question). Current status: Valid as Petrocephalus haullevillii Boulenger 1912. Mormyridae. Distribution: Western-central Africa: lower Congo River basin. Habitat: freshwater.

steindachneri, Petrocephalus Fowler [H. W.] 1958:8 [Notulae Naturae (Philadelphia) No. 310; ref. 1470] Msola Brook, near Kiperege, Ulanga River system, Rufiji basin, Tanzania. Syntypes: (6) NMW 55117-18 (1, 3). Replacement name for Petrocephalus affinis Steindachner 1916, preoccupied by Petrocephalus affinis Sauvage 1878. •Synonym of Petrocephalus catostoma (Günther 1866) -- (Seegers 1996:82 [ref. 23725]). •Valid as Petrocephalus steindachneri Fowler 1958 -- (Gosse 1984:114 [ref. 6169], Kramer et al. 2012:2233, 2246 [ref. 32160]). Replacement Name. Current status: Valid as Petrocephalus steindachneri Fowler 1958. Mormyridae. Distribution: Ulanga River system, Tanzania. Habitat: freshwater.

stuhlmanni, Petrocephalus Boulenger [G. A.] 1909:56, Fig. 41 [Catalogue of the fresh-water fishes of Africa v. 1; ref. 14364] Kingani River, Tanzania. Holotype (unique): BMNH 1907.12.3.1. •Synonym of Petrocephalus catostoma (Günther 1866) -- (Gosse 1984:111 [ref. 6169], Seegers 1996:82 [ref. 23725], Kramer & van der Bank 2000:393 [ref. 25762], Lavoué et al. 2010:51 [ref. 30944], Lavoué et al. 2010:51 [ref. 30944]). •Valid as Petrocephalus stuhlmanni Boulenger 1909 -- (Kramer et al. 2012:2233, 2247 [ref. 32160]). Current status: Valid as Petrocephalus stuhlmanni Boulenger 1909. Mormyridae. Distribution: Kingani River, Tanzania. Habitat: freshwater.

tanensis, Petrocephalus catostoma Whitehead [P. J. P.] & Greenwood [P. H.] 1959:286 [Revue de Zoologie et de Botanique Africaines v. 60 (nos 3-4); ref. 12037] Garsen, Lower Tana River, Kenya. Holotype: BMNH 1963.11.29.1. Paratypes: BMNH 1963.11.19.2-8 (8). •Synonym of Petrocephalus catostoma (Günther 1866), but a valid subspecies tanensis Whitehead & Greenwood 1959 as described -- (Gosse 1984:111 [ref. 6169], Seegers et al. 2003:29 [ref. 28087], Kramer et al. 2012:2233 [ref. 32160]). •Valid as Petrocephalus tanensis Whitehead & Greenwood 1959 -- (Kramer et al. 2012:2247 [as a subspecies on p. 2233] [ref. 32160]). Current status: Valid as Petrocephalus tanensis Whitehead & Greenwood 1959. Mormyridae. Distribution: Tana River, Kenya. Habitat: freshwater.