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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
Stephanocerataceae (Stephanoceratoidea)

Stephanoceratidae (7608451)

Children (18 direct children, 58 direct and indirect children):

Garantiana (tree size 2)

Stephanoceras (tree size 7)

Normannites

Cadomites (tree size 2)

Duashnoceras (tree size 4)

Hlawiceras

Phaulostephanus (tree size 5)

Pseudogarantiana

Skirroceras (tree size 2)

Skolekostephanus

Stemmatoceras (tree size 1)

Telermoceras

Teloceras (tree size 3)

Frebolditinae (tree size 9)

Mollistephaninae (tree size 5)

Stephanoceratinae

Garantianinae

Cadomitinae