Peasiella isseli
Peasiella isseli is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.[1]
Peasiella isseli | |
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Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Subclass: | Caenogastropoda |
Order: | Littorinimorpha |
Family: | Littorinidae |
Genus: | Peasiella |
Species: | P. isseli |
Binomial name | |
Peasiella isseli (Issel, 1869) | |
Synonyms[1] | |
List
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Description
The height of the shell attains 4 mm, its diameter also 4 mm. The small, imperforate, greenish shell has a conoid shape. It contains minute, transverse striae. The apex is obtuse. The 41⁄2 whorls increase slowly in size. They are slightly convex and have a distinct suture. The body whorl takes up half of the total length. Its base is angulated and shows on its lower parts four concentric ribs. The oblique aperture is subcircular.[2]
References
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