Testacella is genus of small to medium-large, predatory, air-breathing, land slugs. They are terrestrial gastropod mollusks in the family Testacellidae, the shelled slugs. They are not often seen because they live underground.
Testacella is the only genus in the family, in other words it is a monotypic family.
These slugs have a very small, ear-shaped shell
, which is situated far back on their bodies.
Species within this genus of slugs live in western Europe
These slug are rarely observed, but they tend to live in gardens and farms where there is rich soil and a lot of earthworms
These slugs live underground and hunt earthworms. They are usually only seen when they are forced up to the surface because the soil has become completely saturated with rain.
Species within the genus Testacella
- Janus, Horst, 1965. ‘’The young specialist looks at land and freshwater molluscs’’, Burke, London