Cystoid
Caryocrinites cystoid fossil found in the Waldron Shale in Giles County, Tennessee. The cystoids resembled crinoids, but they had an ovoid, rather than cup-shaped, body. The mouth was at the upper pole of the body, with the opposite end attached to the substratum, often by a stalk, although some stalkless species did exist
From the album:
Silurian Fossils - Giles County Tennessee
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- Taken with Apple iPhone 4
- Focal Length 3.9 mm
- Exposure Time 1/15
- f Aperture f/2.8
- ISO Speed 800
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