Nacella

From Wikipedia, the free encyclopedia

Nacella
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Orthogastropoda
Order: Patellogastropoda
Family: Nacellidae
Genus: Nacella
Species

See text.

Nacella is a southern, cold-water genus of true limpets, marine gastropod molluscs in the family Patellidae, the true limpets.

Contents

[edit] Distribution

This genus is found around sub-Antarctic and Antarctic islands in the Southern Ocean.

[edit] Shell description

Nacella shells are often not heavily sculptured and have a rounded outline and periphery. They usually have a reddish-bronze lustre.

[edit] Anatomy

The radula is distinctive in that there is a pair of massive erect central teeth. The radula ribbon is very long and coiled like a watch spring.

[edit] Species within the genus Nacella

[edit] References