Purple Topshell [Vitta usnea]
Description
The Purple Topshell is a species of marine gastropod mollusk in the family Trochidae. It has a purple or blue shell with white bands, growing to a size of 2 cm. This species is found in the eastern Atlantic Ocean, from the British Isles to the Canary Islands. They typically inhabit rocky shores, where they graze on algae.
Taxonomy
| Phylum |
Mollusks
Mollusca
|
|---|---|
| Class |
Gastropods
Gastropoda
|
| Order |
Cycloneritimorpha
Cycloneritimorpha
|
| Family |
Neritidae
Neritidae
|
| Genus |
Vitta
Vitta
|