Halicryptomorpha
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Superregnum: Eukaryota
Regnum: Animalia
Phylum: Priapulida
Ordo: Halicryptomorpha
Familiae (1): Halicryptidae
References [edit]
- Adrianov, A.V. & V.V. Malakhov (1995). Comparative-morphological analysis of the organization of cephalorhynch worms, the phylogeny and the system of the phylum Cephalorhyncha. 5. Phylogeny and system. Zoologicheskij Zhurnal 74: 19-27.