Original description as Pelmatochromis lateralis:
- Boulenger, George Albert. 1898. "A revision of the African and Syrian fishes of the family Cichlidae.--Part I". Proceedings of the Zoological Society of London. 1898, Part II:pp. 132-152 (crc00716)
- Pelmatochromis lepidurus Pellegrin, 1900, with type locality at Nganchou, Congo, western Africa. Determiner: Boulenger, 1915
Conservation: Tylochromis lateralis is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (2009).