Protohepialus is an extinct genus of moth in the Hepialidae family. It contains only one species, Protohepialus comstocki, which was described from a Tortonian marine shale (Upper Miocene) in the Puente Formation of California.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0