Physella

Physella is a genus of small, left-handed or sinistral, air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Physidae.

Physella
A live individual of Physella acuta
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Superorder: Hygrophila
Family: Physidae
Tribe: Physellini
Genus: Physella
Haldeman, 1842

These snails eat algae, diatoms and other detritus.

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