Eurhodia patelliformis

Phylum Echinodermata
Class Echinoidea
Order Cassiduloida

(Scale bar is 1 cm)


This little species is one of three common cassiduloids in the Ocala Limestone of Georgia. It is easily distinguished from the two Rhyncholampas species by its proportions. It is noticeably longer than wide and generally has quite a low arch on its upper surface. The lower surface is longitudinally concave.

Eurhodia patelliformis is found in the middle and upper parts of the Ocala Limestone in Georgia, though it is a great deal more common in the upper part.

The shell characteristics suggest that the species may not have burrowed into the bottom, and therefore could have stood more mud in the sediment than most cassiduloids. It is generally found in muddier beds of the Ocala.

AGE: LATE EOCENE

FORMATION: OCALA LIMESTONE

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