Here is one of the best association plate ever found, period. The trilobite, Ceraurinus icarus, is an extremely rare trilobite and is absolutely pristine. It measures 1" long and is crawling over a pinnule of a crinoid. Associated with the trilobite is a colony of well-preserved Cupulocrinus polydactylus crinoids. These are also some of the best preserved crinoids ever found of this genus. This plate is truly has all the qualities of being a museum quality specimen.

Ceraurinus Trilobites