Echinocyamus bisexus Kier 1968 (sand dollar)

Echinoidea - Clypeasteroida - Fibulariidae

Full reference: P. M. Kier. 1968. Echinoids from the Middle Eocene Lake City Formation of Georgia. Smithsonian Miscellaneous Collections 153(2):1-45

Belongs to Echinocyamus according to P. M. Kier 1980

See also Kier 1968

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

Type specimen: USNM 650722. Its type locality is USGS test well 5, locality 34H337, which is in a Lutetian marine limestone in the Lake City Formation of Georgia.

Ecology: slow-moving semi-infaunal detritivore

Distribution:

• Eocene of United States (2: Georgia, North Carolina collections)

Total: 2 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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