Assiminea grayana
| Assiminea grayana | |
|---|---|
 |
|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): |
clade Caenogastropoda clade Hypsogastropoda |
| Superfamily: | Rissooidea |
| Family: | Assimineidae |
| Genus: | Assiminea |
| Species: | A. grayana |
| Binomial name | |
|
Assiminea grayana Fleming, 1828 |
|
clade Hypsogastropoda
clade Littorinimorpha
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.
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.
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.
This small snail lives in Western Europe, primarily on the southern part of the North Sea coasts, in countries and islands including:
Assiminea grayana at Animalbase
...
Wikipedia