
Ottoia prolifica burrowing
Taxonavigation
Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta 
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Cycloneuralia
Cladus: Scalidophora 
Phylum: Priapulida 
Ordo: †Ottoiomorpha 
Familia: †Ottoiidae
Name
References
Adrianov, A.V. & V.V. Malakhov (1995). The phylogeny and classification of the phylum Cephalorhyncha. Zoosystematica Rossica 3 (2): 181–201.
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