Original description as Cyrtocara macrocleithrum:
- Stauffer, Jay Richard Jr. & K. R. McKaye. 1985. "A deep-water cichlid (Teleostei: Cichlidae) from Lake Malawi, Africa". Copeia. 1985(3):591-596 (crc01616)
- Cleithrochromis bowleyi Eccles, 1974, with type locality at Not stated. Determiner: Daget et al., 1991
Conservation: Alticorpus macrocleithrum is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (2018). This species is endemic to and widespread throughout Lake Malawi. Localized threats are unlikely to have a widespread impact on the population (Konings et al., 2022).