Physidae

Physidae
A live individual of Physella acuta from the Mediterranean area
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subcohort: Panpulmonata
Superorder: Hygrophila
Superfamily: Lymnaeoidea
Family: Physidae
Fitzinger, 1833
Type genus
Physa Draparnaud, 1801
Diversity
About 80 freshwater species

Physidae, commonly called the bladder snails, is a family of small air-breathing freshwater snails, aquatic pulmonate gastropod molluscs in the superfamily Lymnaeoidea.