Germanonautilus bidorsatus

Germanonautilus bidorsatus, Photo: Michael Lahanas

Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Class: Cephalopoda
Subclassis: Nautiloidea
Ordo: Nautilida
Familia: Tainoceratidae
Genus: Germanonautilus
Species: Germanonautilus bidorsatus