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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
Opisthobranchia
Thecosomata (Sea butterflies)
Euthecosomata

Cavolinioidea (5055196)

Children (5 direct children, 160 direct and indirect children):

Cliidae (tree size 73)

Praecuvierinidae (tree size 2)

Sphaerocinidae (tree size 4)

Creseidae (tree size 76)

Hyalocylidae