Original description as Rivulus robustus:
ZooBank:4485DB29-7408-4A20-AEAB-3983BFFF694E.
- Miller, Robert Rush & C.L. Hubbs. 1974. "Rivulus robustus, a new cyprinodontid fish from southeastern Mexico". Copeia. 1974(4):865-869 (ffm00072) (abstract)
Conservation: Millerichthys robustus is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (EN) endangered (2018).