flexus, Phenacogrammus Stiassny [M. L. J.], Alter [S. E.], Monsembula Iyaba [R. J. C.] & Liyandja [T. L. D.] 2021:10, Figs. 1A, 5 [American Museum Novitates No. 3980; ref. 38730] Ndzaa River, Mai-Ndombe Province, Democratic Republic of Congo, 02°58'25.08"S, 18°7'55.26"E. Holotype: AMNH 274785. Paratypes: AMNH 276320 (7). •Valid as Phenacogrammus flexus Stiassny, Alter, Monsembula Iyaba & Liyandja 2021. Current status: Valid as Phenacogrammus flexus Stiassny, Alter, Monsembula Iyaba & Liyandja 2021. Alestidae. Distribution: Central Africa: Ndzaa River drainage, central Congo basin. Habitat: freshwater.