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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)
Gastropoda (Gastropod)
Heterobranchia
Euthyneura
Tectipleura
Eupulmonata
Stylommatophora
Helicina (Helicina (subordo))
Helicoidei
Helicoidea

Trissexodontidae (7844074)

Children (12 direct children, 73 direct and indirect children):

Gittenbergeria (tree size 1)

Oestophora (tree size 22)

Suboestophora (tree size 7)

Trissexodon (tree size 3)

Mastigophallus (tree size 2)

Caracollina (tree size 6)

Gasulliella (tree size 1)

Gasullia (tree size 4)

Hatumia (tree size 4)

Oestophorella (tree size 1)

Gittenbergeriinae

Trissexodontinae (tree size 10)