Coroniceras rotiforme

Coroniceras rotiforme, Photo: Michael Lahanas

Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Cephalopoda
Subclassis: †Ammonoidea
Classis: Cephalopoda
Subclassis: †Ammonoidea
Ordo: Ammonitida
Subordo: Ammonitina
Order: Ammonitida
Genus: Coroniceras
Species: Coroniceras rotiforme