Ptychomphaloidea
Taxonavigation
[edit]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: Gastropoda
Subclassis: Vetigastropoda
Ordo: Pleurotomariida
Superfamilia: † Ptychomphaloidea
Familiae (2):
† Ptychomphalidae –
† Rhaphistomellidae
Name
[edit]† Ptychomphaloidea Wenz, 1938