← Back

Half-naked Penshell

Atrina seminuda

Classification

Family
Pinnidae

Atrina seminuda, the half-naked pen shell, is a species of bivalve mollusc in the family Pinnidae. Description It is characterized by a large shell between about 150–200 mm in triangular or wedge, the leaflets have ornamentations forming rows 10-20 tubular radial spiny projections which are often slightly curved. The surface of the leaflets tend to observe fine markings which correspond to the long lines.

Distribution

(c) Diogo Luiz, some rights reserved (CC BY), uploaded by Diogo Luiz · CC-BY
Loading map…
Countries in the Picchu catalog
United States of America · 105Argentina · 20Brazil · 18France · 4Uruguay · 1