elaviae, Plecodus Poll [M.] 1949:26, Figs. 13-15 [Bulletin de l'Institut Royal des Sciences Naturelles de Belgique v. 25 (no. 33); ref. 13026] Extreme north end of Lake Tanganyika, between Usumbura and Ruzizi River mouth. Holotype: MRAC 112725. Paratypes: MRAC 112726 (1). Type catalog: Derijst 1991:63 [ref. 21528]. •Valid as Plecodus elaviae Poll 1949 -- (Maréchal & Poll 1991:383 [ref. 20946]). •Valid as Perissodus elaviae (Poll 1949) -- (Konings 2015:378 [ref. 34660], Konings 2019:400 [ref. 36983]). Current status: Valid as Perissodus elaviae (Poll 1949). Cichlidae: Pseudocrenilabrinae. Distribution: Eastern Africa: Lake Tanganyika. Habitat: freshwater.