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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
Otoceratina
Otocerataceae (Otoceratoidea)
Otoceratidae

Otoceras (23840045)

Children (4 direct children, 4 direct and indirect children):

Otoceras woodwardi

Otoceras boreale

Otoceras gracile

Otoceras concavum