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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))
Oleacinoidei
Oleacinoidea
Spiraxidae

Spiraxinae (21291274)

Children (9 direct children, 115 direct and indirect children):

Micromena (tree size 3)

Miraradula (tree size 2)

Pseudosubulina (tree size 33)

Rectaxis (tree size 16)

Spiraxis (tree size 17)

Volutaxis (tree size 26)

Mayaxis (tree size 9)

Ravenia

Tornaxis