polyodon, Petrochromis Boulenger [G. A.] 1898:496 [Proceedings of the Zoological Society of London 1898 (pt 3); ref. 20658] Kinyamkolo and Mbity Rocks, Lake Tanganyika. Syntypes: (4) BMNH 1898.9.9.59-60 (1, 1); MNHN 1898-0702 [ex BMNH] (1). Type catalog: Blanc 1962:220 [ref. 20868]. Appeared first as above, then in more detail in Boulenger 1898:20, Pl. 6 (fig. 1) [ref. 547]. •Valid as Petrochromis polyodon Boulenger 1898 -- (Maréchal & Poll 1991:371 [ref. 20946], Takahashi & Koblmüller 2014:262 [ref. 33264], Konings 2015:53 [ref. 34660], Konings 2019:54 [ref. 36983]). Current status: Valid as Petrochromis polyodon Boulenger 1898. Cichlidae: Pseudocrenilabrinae. Distribution: Eastern Africa: Lake Tanganyika. Habitat: freshwater.