singularis, Stappersia Boulenger [G. A.] 1914:445 [Revue de Zoologie Africaine v. 3 (pt 3); ref. 583] Bay Kilewa and Tulo, Lake Tanganyika. Syntypes: BMNH 1920.5.25.161 (1); MRAC 10943 (1). •Synonym of Xenotilapia ochrogenys (Boulenger 1914) -- (Maréchal & Poll 1991:541 [ref. 20946]). •Valid as Xenotilapia singularis (Boulenger 1914) -- (Konings 2015:313 [ref. 34660], Konings 2019:333 [ref. 36983]). Current status: Valid as Xenotilapia singularis (Boulenger 1914). Cichlidae: Pseudocrenilabrinae. Distribution: Lake Tanganyika, Africa. Habitat: freshwater.