Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Phylum: Gnathostomulida
Ordo: Filospermoidea
Familia: Haplognathiidae
Genera: Haplognathia
Haplognathiidae is a family of worms belonging to the order Filospermoidea.[1]
Genera:[1]
Haplognathia Sterrer, 1970
References
"Haplognathiidae". www.gbif.org. Retrieved 13 June 2021.
Retrieved from "http://en.wikipedia.org/"
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