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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
Haplocerataceae (Haploceratoidea)

Haploceratidae (16982730)

Children (11 direct children, 33 direct and indirect children):

Cadomoceras

Glochiceras (tree size 1)

Haploceras (tree size 4)

Lissoceras (tree size 9)

Neolissoceras (tree size 2)

Toxamblyites

Lissoceratinae

Pseudolissoceras (tree size 1)

Lissoceratoides (tree size 1)

Hildoglochiceras (tree size 4)

Protoecotraustes