Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Cephalopoda
Subclassis: †Ammonoidea
Ordo: †Ammonitida
Subordo: Phylloceratina
Superfamilia: Phylloceratoidea
Familia: Phylloceratidae
Subfamilia: Calliphylloceratinae
Genus: Ptychophylloceras
Name
Ptychophylloceras Spath, 1927
References
The Paleobiology Database Accessed on 11/29/08
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