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Cystoid


BigGuy

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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Photo Information

  • 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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