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Classic Conulariid - Conulariids were thought to be free floaters but recent study has suggested they were attached to the sea floor. Most conulariids are found in bed #21 and higher.

This is a remarkable specimen of a fully inflated conulariid (only one found to date) was discovered in the South Wall mudstone beds. It illustrates the true (uncompressed) shape of conulariids. This specimen is encapsulated by the coral Favosites parasiticus.
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Undetermined ID CON02
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Below is a photograph of the shell texture of this specimen at high magnification.
​The scale bar represents 100 microns.  (1,000 microns = 1 mm)
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