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Showing results for tags 'harpersville formation'.
Found 3 results
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From the album: MY FOSSIL Collection - Dpaul7
Crinoid spine SITE LOCATION: Harpersville formation, Coleman County, Texas, USA TIME PERIOD: Pennsylvanian Period (299-323 Million Years ago) Data: Crinoids are marine animals that make up the class Crinoidea of the echinoderms (phylum Echinodermata). The name comes from the Greek word krinon, "a lily", and eidos, "form". They live in both shallow water and in depths as great as 9,000 meters (30,000 ft). Those crinoids which in their adult form are attached to the sea bottom by a stalk are commonly called sea lilies. The unstalked forms -
On my last visit to the Wilson Clay Pit in central Texas I stumbled across this curious piece. It is approximately 6 cm long and 1.5 cm wide. The surface is irregular and rounded. Near one end, an object about 5 millimeters in length, that looks like a brachiopod or pelecypod is attached. The object looks partially buried in the surface of the piece. The piece is below. The scale is in centimeters. Below is a close-up of the attached object... I can see three possibilities. Its geological (matrix) with an attached bivalve (if it is a bi
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I found this at the Wilson Clay Pit in July of 2015. I'm not sure what it is. Its quite small, approximately 8 millimeters. It doesn't have the look of a crinoid stem or brachials. Is it from a crinoid? Is it possibly a echinoid spine of some type? It is from the Harpersville Formation, Late Pennsylvanian, Virgilian Stage (288 to 286 MYA). The specimen is below. The scale is in centimeters. Any help is appreciated, as always...
