ecofactbook
/
species
/
Animalia
/
Mollusca
/
Gastropoda
/
Hygrophila
/
Physidae
/
_
Amecanauta
Aplexa
Archiphysa
Chiapaphysa
Haitia
Laurentiphysa
Mayabina
Physa
Physella
Stenophysa
Tropinauta
Ultraphysella
about
_