Rough pen shell [Pinna rudis]
Description
The rough pen shell is a species of marine bivalve molluscs found in the Indian Ocean and the western Pacific Ocean. The shell is fan-shaped, pointed at the top and rounded at the bottom, and can reach up to 50 cm in length. It is characterized by its rough surface.
Taxonomy
| Phylum |
Mollusks
Mollusca
|
|---|---|
| Class |
Clams, Oysters, and Scallops
Bivalvia
|
| Order |
Pearl Oysters and Relatives
Pteriida
|
| Family |
Winged Oysters
Pinnidae
|
| Genus |
Pinna
Pinna
|