†Hardouinia aequorea Morton 1834 (sea urchin)
Click image to enlarge. Click to access iDigBio record.
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 conoideus, Hardouinia florealis, Hardouinia kellumi, Hardouinia mcglameryae, Hardouinia micrococcus, Hardouinia mortonis, Hardouinia stantoni, Hardouinia taylori, Clarkiella hemispherica
Ecology: slow-moving semi-infaunal detritivore
Distribution:
• Paleocene of United States (1: New Jersey collection)
• Cretaceous of United States (7: Alabama, Mississippi)
Total: 8 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.