Pen Shells of the Pinnidae Family

Pen Pearls Information

PINNIDAE, Atrina seminuda GIANT

General drawing of an adult individual pen shell, Pinna nobilis, as it

Noble Pen Shell or Fan Mussel (Pinna Nobilis or Pinna Squamosa), Pinnidae' Giclee Print

Neogene Atlas of Ancient Life

Stiff Pen Shell (Atrina rigida)

Observations on Pearls Reportedly from the Pinnidae Family (Pen Pearls)

Stiff Pen Shell: Atrina rigida (Lightfoot, 1786)

Pinna flabellum, Print, Pinna carnea, commonly called the amber pen shell, is a species of bivalve

Stiff Pen Shell (Atrina rigida)