| Wewoka, Oklahoma - Pennsylvanian Quivira Shale |
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Some of the common fossils found at the landfill site. Clockwise from top, a Bivalve (species to be determined), Pharinkodont, Tabulate Coral, Crinoid Stem, the common gastropod Trepospira. Notice the unusually large size of these fossils, most every fossil found at this locality is large. |
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Two examples of the Goniatite Ammonoid Eupleuroceras bellum, a very rare Pennsylvanian ammonoid. |
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A close-up view of Eupleuroceras bellum. Notice how small the microconch whorls are, this ammonoid must be microscopic in its' larval stages! |
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This is the floating crinoid Paragassizocrinus tarri, throughout most the world this crinoid is very rare, but relatively easy to find at this locality. After several trips I have 2 partially complete infrabasal cone assemblages. The top part of the cone is actually quite common at this site, as are the plates |
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Another view of the same fossil.
For more information on this unusual crinoid, see Strimple, H.L., The genus Paragassizocrinus in Oklahoma, Oklahoma Geological Survey, Circular 55, 1960. Available from the OGS for $1.00 plus S&H. |
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This is the cone that is most often found of Paragassizocrinus tarri. |
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