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FS290 Eocene Sand Dollar Neolaganum

2.9 cm. Long x 2.7 cm. Wide x 0.5 cm. High

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Classification: Metazoa, Echinodermata, Echinoidea, Clypeasteroida, Neolaganidae, Neolaganum, durhami

Description: Eocene sand dollar Neolaganum durhami found on a spoil island built from dredging a channel out of the Withlacoochee River near Yankeetown, FL. Notice the pronounced food grooves leading to the peristome (mouth opening) on the oral side of the test, differentiating it from Weisbordella sp.

Age: Eocene Epoch

Location Found: United States, Florida, Spoil Islands, mouth of Withlacoochee River, by Yankeetown, FL, Ocala Limestone

Found by: Kathy Patterson

Custodian: fossilweb

Identified by: Ed DeRouin

References: Cenozoic Echinoids of Eastern United States, Cooke, U.S.G.S. Prof. Paper 321, p. 52 and Plate 21.