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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)
Ceratitida
Meekoceratoidea
Meekoceratidae

Proptychitinae (23833106)

Children (7 direct children, 32 direct and indirect children):

Koninckites (tree size 17)

Proptychitoides (tree size 2)

Paraspidites (tree size 2)

Collignonites (tree size 2)

Boreomeekoceras (tree size 1)

Pseudokymatites

Dalmatites (tree size 1)