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
Euthyneura
Tectipleura
Hygrophila (Hygrophila (gastropod))
Lymnaeoidea
Planorbidae (Ramshorn snails)

Physastra (98924322)

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

Physastra nasuta

Physastra moluccensis

Physastra clessineana

Physastra gibbosa

Physastra guillaini

Physastra lessoni

Physastra novoguineae

Physastra oconnori

Physastra pyramidata

Physastra stagnalis

Physastra tongana