†Hardouinia florealis Morton 1833 (sea urchin)
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Alternative combinations: Cassidulus florealis, Clypeaster florealis
Belongs to Hardouinia according to C. W. Cooke 1953
See also Clark and Twitchell 1915
Sister taxa: Hardouinia aequorea, Hardouinia bassleri, Hardouinia conoideus, Hardouinia kellumi, Hardouinia mcglameryae, Hardouinia micrococcus, Hardouinia mortonis, Hardouinia stantoni, Hardouinia taylori, Clarkiella hemispherica
Ecology: slow-moving semi-infaunal detritivore
Distribution: found only at Chesapeake and Delaware Canal (Marshalltown, ANSP) (Cretaceous of Delaware)
Specimen images are retrieved through the ePANDDA API.
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