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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)
Nautiloid (Nautiloidea)

Ellesmerocerida (3723510)

Children (11 direct children, 38 direct and indirect children):

Acaroceratidae

Apocrinoceratidae (tree size 1)

Bambusoceras

Bassleroceratidae (tree size 2)

Ellesmeroceratidae (tree size 18)

Bathmoceratidae (tree size 1)

Ellesmeroceratina (tree size 2)

Huaiheceratidae (tree size 1)

Cyclostomiceratidae

Eothinoceratidae (tree size 2)

Cyrtocerinidae