Spectacular small CALLOCYSTITES jewetti from the Rochester Shale


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This is an excellent example of a CALLOCYSTITES jewetti from the Rochester Shale of Middleport, New York. Found in the Caleb’s quarry, it is a little on the smaller side but it is the rarer of the two cystoids commonly found in the deposit.

These creatures grew on a small stalk and had small brachioles extending from the top of the cystoid. These brachioles are rarely found preserved. Unlike the Caryocrinites whose stem is fairly uniform to the base, the stem of the CALLOCYSTITES tapers very quickly to the base.

The cystoid is slightly compressed and the back is slightly crushed as you can see in the photograph. Alongside the cystoid is a small bryozoan stem.

The cystoid is 38 mm long by 13 mm wide (1.49 x .51 inches) and sits on a gray matrix 9.5 cm by 10 cm long (3.74 x 3.93 inches)

An excellent example that rarely comes on the market from this classic fossil location.

Silurian Period
Rochester Shale
Caleb’s Quarry
Middleport, New York

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