Related how?

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 (772011)

Children (10 direct children, 588 direct and indirect children):

Cymbuliidae (tree size 24)

Cavoliniidae (tree size 210)

Cymbulioidea (tree size 3)

Desmopteridae (tree size 5)

Euthecosomata (tree size 163)

Limacinidae (tree size 143)

Peraclididae (tree size 17)

Cuvierinidae (tree size 12)

Pseudothecosomata (tree size 1)

Paraclididae