The Bailey-Matthews National Shell Museum highlights the endangered noble pen shell in its latest expert showcase.

ATHENS, Greece (AP) — A fan mussel found only in the Mediterranean was officially added to the list of critically endangered species, after scientists recorded a dramatic decline in its population ...

I found several hand-size shells on a Baja beach last winter, and learned they’re called pen shells. I would have named the translucent beauties fan shells, since they look like fluted fans decorated ...

A luxurious fiber once reserved exclusively for emperors in ancient times has been brought back to life by Korean researchers. A team led by Professor Dong Soo Hwang and Professor Jimin Choi has ...

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