Higher classification Assiminea | Superfamily Rissooidea Genus Assiminea Rank Species | |
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Similar Assiminea, Assimineidae, Myosotella myosotis, Acicula fusca, Auriculinella bidentata | ||
Assiminea grayana, common name the "dun sentinel", is a species of very small (4-6 mm.) salt marsh snail, a terrestrial (or marine gastropod mollusk in the family Assimineidae.
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Habitat
This species lives in habitats that are intermediate between land and saltwater: in estuaries and salt marshes, at, or right above, the high tide level.
Description
The 5 mm high x 3 mm. wide shell is semi-transparent and conical, with six or seven flat-sided or slightly swollen whorls and a sharp apex. It bears fine irregular growth lines and faint spiral lines but appears smooth . The oval or ear-shaped aperture is small and has a thickened peristome. The inner lip is reflexed over the base of the last whorl.There is no umbilicus.The colour is horn or tan, often with a broad reddish band on the last whorl.
Distribution
This small snail lives in Western Europe, primarily on the southern part of the North Sea coasts, in countries and islands including: