Original description:
- McMahan, Caleb D. & W.A. Matamoros, K.R. Piller, P. Chakrabarty. 2015. "Taxonomy and systematics of the herichthyins (Cichlidae: Tribe Heroini), with the description of eight new Middle American Genera". Zootaxa. 3999(2):211-234 (ffm06794) (abstract)
Type species: Poeciliopsis viriosa Miller, 1960 (original designation).
Synonyms:
- Kihnichthys McMahan & Matamoros, 2015. Determiner: Artigas Azas, Juan Miguel, 2020
Described species included (2):
valid: 2- Herichthys pearsei Hubbs, 1936 (valid)
- Vieja ufermanni Allgayer, 2002 (valid)