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.