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EXTINCTIONS CHOICE - Textbook Crinoid Holdfast
Stock Number  CCINW902
EXTINCTIONS Choice

Name:   Crinoid Holdfast
Age:  Silurian
Formation:  Waldron Formation
Location:  Waldron, Indiana
Size:  Crinoid root is 5.7" across, plate is 10.4" tall
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This is a very large crinoid holdfast (root system) from the Silurian of Indiana. The quarry where this specimen was found is now filled with water. This holdfast is well preserved and exhibits fine detail. The central stem is easily seen, and the roots seem to keep branching and branching - the rootlets seem to go on forever, right down to the very tiny tips. The fossil has very good color and contrast (better than the picture shows) and is well centered on the triangular matrix block that also contains many other fossils. This is a top quality crinoid holdfast with extremely fine detail preserved.









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