| Kingdom | Phylum | Order | Family |
|---|---|---|---|
| Animalia | Gnathostomulida | Filospermoidea | Pterognathiidae |
| Rank | Scientific name | Taxonomic status |
|---|---|---|
| species | Cosmognathia aquila Sterrer, 1998 | accepted |
| species | Cosmognathia arcus Sterrer, 1991 | accepted |
| species | Cosmognathia bastillae Sterrer, 1991 | accepted |
| species | Cosmognathia manubrium Sterrer, 1991 | accepted |
Cosmognathia Sterrer, 1991-14. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2021-09-08.