Original description as Zoogoneticus diazi:
ZooBank:D239DC8B-A4A4-4059-8DAD-749014B3EF61.
- Meek, Seth Eugene. 1902. "A contribution to the ichthyology of Mexico". Field Columbian Museum Publication. 3(6):63-128 (ffm00269)
Synonyms (1):
- Zoogoneticus miniatus Meek, 1902, with type locality at Lago de Chalco near Chalco, Mexico. Determiner: Álvarez del Villar, 1959
Conservation: Allotoca diazi is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (CR) critically endangered (2009).