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Brachiopod mold fossil

Brachiopoda

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40.6066, -78.0085

Field Notes

Description:

Small, strongly ridged shell-looking fossils in a large rock.

Habitat:

Found in a large rock that is part of a retaining wall.

Reference Links:

The Paleontology Portal

Species ID Suggestions

Comments (5)
Phil_S
This would actually be a cast of a brachiopod. A mold wold be an impression in the rock. A cast is when that mold is filled in. Excellent find!
Mark Ridgway
These look like a type of clam... http://valuestockphoto.com/downloads/32471-3/natureshell0595.jpg
Mark Ridgway
They couldn't be shells if they are hundreds of millions of years old. The shell is replaced by something else. These types of creatures do still exist in some parts of the world. In PA.USA they will be fossils probably.
KarenSaxton
How do you know it's mold and not shells? I'm just curious because I used to see similar on the beach in San Diego

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PublishedOctober 24, 2011

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