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FS323 Echinoid Calcite Test

5.0 cm. Long x 4.5 cm. Wide x 1.5 cm. High

Classification: Metazoa, Echinodermata, Echinoidea, Cassiduloida, Cassidulidae, Rhyncholampas, sp.

Description: The test (shell) of this sea biscuit has been replaced by calcite and held in the limestone matrix.

Age: Miocene Epoch to Pliocene Epoch

Location Found: United States, Florida, Peace River, near Zolfo Springs, FL

Found by: Ed DeRouin

Custodian: fossilweb

Identified by: Ed DeRouin

References: Florida Fossil Invertebrates, Portell & Oyen:Pliocene and Pleistocene Echinoids, pp.22-23; Florida Fossil Invertebrates, Oyen & Portell: Oligocene and Miocene Echinoids, pp.16-17.