Monacha cartusiana is a species of small air-breathing land snail, a terrestrial eupulmonate gastropod mollusc in the family Hygromiidae, the hairy snails and their allies.
This is the type species of the genus Monacha.
The native distribution of this species is Atlantic-Mediterranean. It lives in various areas including:
This species has been accidentally introduced and naturalized in:
The size of the egg is 1.8 mm.