Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Phylum: Gnathostomulida
Ordo: Filospermoidea
Familia: Pterognathiidae
Genera: Cosmognathia - Pterognathia
Pterognathiidae is a family of worms belonging to the order Filospermoidea.[1]
Genera:[1]
Cosmognathia Sterrer, 1991
Pterognathia Sterrer, 1966
References
"Pterognathiidae". www.gbif.org. Retrieved 14 June 2021.
Retrieved from "http://en.wikipedia.org/"
All text is available under the terms of the GNU Free Documentation License
