tide-marks on the mudof estuaries and salt marshes of tropical and temperate regions, at beaches, in water and at land. But species are to be found both in perfectly salt and in perfectly fresh water.

Description

These are very small to medium large snails, between 2 and 13 mm. Some adults do not exceed a size of 3 mm. Some related genera, such as Paludinella, are so remarkably similar in shell form that they are often confused.

The shape of the thin shells is somewhat ovately

1.Previous
3.Next