Echinoidea - Clypeasteroida - Fibulariidae

Belongs to Echinocyamus according to C. W. Cooke 1942

See also Clark and Twitchell 1915

Sister taxa: Echinocyamus bisexus, Echinocyamus chipolanus, Echinocyamus crispus, Echinocyamus intermedius, Echinocyamus meridionalis, Echinocyamus parviporus, Echinocyamus parvus, Echinocyamus petalus, Echinocyamus polymorpha, Echinocyamus prostratus, Echinocyamus pusillus, Echinocyamus terminalis, Echinocyamus texanus, Echinocyamus vaughani, Echinocyamus wilsoni

Ecology: slow-moving semi-infaunal detritivore

Distribution: found only at Claiborne (Eocene of Alabama)

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Specimen images are retrieved through the ePANDDA API.