contractus, Synodontis Vinciguerra [D.] 1928:24 [20], Pl. 1 [Annali del Museo Civico di Storia Naturale `Giacomo Doria' v. 53; ref. 15879] Rubi River at Buta, Democratic Republic of Congo. Lectotype: MSNG 26493 (62 mm SL). Paralectotypes: MSNG 26493 (1); MRAC 165756 (1). Type catalog: Tortonese 1963:308 [ref. 10351], Ferraris 2007:313 [ref. 29155]. On p. 20 of separate. Lectotype selected by Poll 1971:383 [ref. 7700]. Gender of genus treated by us as masculine. •Valid as Synodontis contractus Vinciguerra 1928 -- (Poll 1971:382 [ref. 7700], Gosse 1986:124 [ref. 6194], Burgess 1989:195 [ref. 12860]). •Valid as Synodontis contracta Vinciguerra 1928 -- (Ferraris 2007:313 [ref. 29155]). Current status: Valid as Synodontis contractus Vinciguerra 1928. Mochokidae: Mochokinae. Distribution: Congo River basin, central Africa. Habitat: freshwater.