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Crinoids

Echinoderm colony

Glyptocystites grandis

Middle Ordovician

Bobcaygean Formation

Ontario, Canada

A colony of cystoids are exposed with nine individuals represented in association with a crinoid. Fine preservation of this primitive Echinoderm.

Measures: 6 ¼" x 3 3/4".

SRP: $450

Crinoid plaque

Numerous species

Mississippian

HEdwardsville Formation, Crawfordsville, Indiana

Masterly preparation by Thomas Witherspoon enhances the impact of a captivating glimpse of an ancient Mississippian colony of sea lilies. An aesthetically desirable specimen from a classic locality.

Measures: 8 ¼" x 13" x ½".

SRP: $3,350

Delicate Crinoid Plaque

Morocco

This species lived contemporaneously with the Scyphocrinus crinoids of the Devonian seas of North Africa. The present specimens display fine distinctive features in the calyxes, or heads.

Measures: 35 ½" x 21 ½".