Cometicercus is an extinct genus of thelodont which lived in Canada during the Early Devonian period. It is only known from its caudal fin and parts of its dorsal surface, including its dorsal fin.
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