Considered a synonym of Cincelichthys McMahan & Piller, 2015
- Artigas Azas, Juan Miguel. 2020. "Kihnichthys, a junior synonym of Cincelichthys". Cichlid News Magazine. 29(4):10-12 (ffm09893) (abstract)
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: Vieja ufermanni Allgayer, 2002 (original designation).