Atrina seminuda - Wikipedia

Pen Shell - Monterey Fish Market Seafood Index — Monterey Fish Market

M-650 PEN SHELL, Atrina rigida or A. serrata - Gulf Specimen Marine Lab

Jekyll Island - #WildlifeWednesday: Rigid pen shells are also called stiff pen shells. The insides of these fan-shaped shells are smooth and shiny, like mother-of-pearl, while the outside is covered with rough

Pen shell - Encyclopedia of Life

A Rare Find — NCMG

The Baggy Pen - Bailey-Matthews National Shell Museum

Fall Florida Trip, Day 1: Pen Shells at New Smyrna Beach!

Pen shells have a tremendous potential' – Meghan McCoy

11,927 Pen Shell Images, Stock Photos, 3D objects, & Vectors

The last noble pen shells