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Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Nephrozoa (Eubilateria)
Protostome (Protostomia)
Spiralia (Spiralians)
Lophotrochozoa
Mollusca (Molluscs)
Cephalopod (Cephalopods)
Ammonoidea (Ammonoids)
Ammonitida
Ancyloceratina
Turrilitoidea
Ptychoceratidae

Ptychoceras (12266317)

Children (7 direct children, 7 direct and indirect children):

Ptychoceras glaber

Ptychoceras laeve

Ptychoceras poni

Ptychoceras emericanum

Ptychoceras puzosianum

Ptychoceras adpressum

Ptychoceras gaultinus