Original description as Cichlosoma (Parapetenia) atromaculatum:
- Regan, Charles Tate. 1912. "Descriptions of new cichlid fishes from South America in the British Museum". Annals and Magazine of Natural History. (Ser8), 9:505-507 (crc00329)
Conservation: Mesoheros atromaculatus is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (2019).