Original description as Chirostoma riojai:
ZooBank:3D64FCC3-D40E-4284-B2A5-913449CEAF15.
- Solórzano Preciado, Aurelio. 1966. "Nueva especie de Chirostoma capturada en la laguna de Victoria o de Santiago Tilapa, Estado de Mexico (Pisc., Atherin.)". Ciencia. 24(3-4):145-150 (ffm00531)
Conservation: Chirostoma riojai is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (CR) critically endangered (2018).