Hardouinia aequorea Morton 1834 (sea urchin)

Echinoidea - Cassiduloida

Alternative combination: Cassidulus aequoreus

Synonym: Cassidulus intermedius Slocom 1909

Belongs to Hardouinia according to C. W. Cooke 1953

See also Clark and Twitchell 1915

Sister taxa: Hardouinia bassleri, Hardouinia florealis, Hardouinia kellumi, Hardouinia mcglameryae, Hardouinia micrococcus, Hardouinia mortonis, Hardouinia stantoni, Hardouinia taylori

Ecology: slow-moving semi-infaunal detritivore


• Paleocene of United States (1: New Jersey collection)

• Cretaceous of United States (7: Alabama, Mississippi)

Total: 8 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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