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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
Ammonitina
Psiloceratoidea
Arietitidae

Arietitinae (23833051)

Children (21 direct children, 65 direct and indirect children):

Coroniceras (tree size 21)
Coronicaras

Vermiceras (tree size 2)

Dalaticeras (tree size 2)

Protocymbites (tree size 1)

Diplosellites

Metophioceras (tree size 8)

Keynshamites

Arnioceratoides

Primarietites (tree size 1)

Saccaiaceras

Pararnioceras

Epammonites (tree size 3)

Eparnioceras

Laevispirus

Burkhardticeras

Melanhippites

Tmaegoceras (tree size 2)

Guexiceras (tree size 1)

Schreinbachites (tree size 1)

Longziceras

Metarnioceras (tree size 2)