Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Gastropoda
Subclassis: Heterobranchia
Infraclassis: Euthyneura
Cohors: Tectipleura
Subcohors: Euopisthobranchia
Ordo: Cephalaspidea
Superfamilia: Bulloidea
Familia: Retusidae
Genus: Spissitydeus
Species (1): S. pransa
Name
Spissitydeus Iredale, 1936
References
Links
Spissitydeus in the World Register of Marine Species
Retrieved from "http://en.wikipedia.org/"
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