| Kingdom | Phylum | Class | Family | Genus |
|---|---|---|---|---|
| Animalia | Hemichordata | Pterobranchia | Cephalodiscidae | Cephalodiscus M'Intosh, 1882 |
Cephalodiscus gracilis Harmer, 1905. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2019-12-08.