cockle shells underside

Collecting Seashells: Grouping the Bivalves

The bivalve seashells, or shells that come in two parts or halves, can be similar in appearance, but not all bivalves are “clams”. I’m not scientifically minded, but I’ve been learning the difference between the shells I collect and photograph. I’ve gathered some photos of the more common bivalves I see on beaches and in […]

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The Interesting Iridescent Pen Shell

Pen shells (family Pinnidae) are usually gray or brown in color with an iridescent sheen.  They are long and tapered in a triangular shape and most of the ones I’ve seen were on the east coast beaches in Florida. They can be huge!  My resource book says up to thirty-one inches in length!   But […]

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