Top Results for Sinistral

Cochlodina laminata is a terrestrial clausiliid, or door snail, found in European woodland habitats. It has an elongated, left-coiling shell, a sinistral form that is unusual among familiar land snails. Like other clausiliids, it has a clausilium, a movable internal plate that can close the shell ap...

Laciniaria biplicata is a historical scientific combination for Alinda biplicata, a terrestrial pulmonate snail in the family Clausiliidae, the door snails. It is native to Europe and has a slender, left-coiling shell with internal folds and a clausilium, a sliding calcareous structure that can clos...

Balea perversa, known as the tree snail or tree door snail, is a small terrestrial pulmonate gastropod in the family Clausiliidae. It is native to western and central Europe and has a narrow, brownish shell that coils to the left, an uncommon shell direction among land snails. The species is associa...

Physa acuta, also treated in some taxonomic sources as Physella acuta, is a small air-breathing freshwater snail in the family Physidae. Its native range has been debated, but the species is now widely established through human-assisted dispersal and occurs on every continent except Antarctica. It i...

The moss bladder snail (Aplexa hypnorum) is a small, air-breathing freshwater pulmonate in the family Physidae. It lives in shallow ponds, ditches, floodplain pools, and marshy water bodies that may dry periodically, mainly in parts of Europe and northern Eurasia. Its polished, translucent brown she...

Clausilia bidentata, the door snail or two-toothed door snail, is a small, left-coiling terrestrial gastropod in the family Clausiliidae. It is widely distributed in western and northern Europe, where it occurs in moderately damp woodland, hedges, gardens, rock crevices, walls, and beneath tree bark...