†Trochodiadema (sea urchin)
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Parent taxon: Hemicidaroida according to H. B. Fell and D. L. Pawson 1966
See also Sepkoski 2002
Sister taxa: Allomma, Colpotiara, Micropedina
Subtaxa: none
Ecology: slow-moving low-level epifaunal grazer
Distribution:
• Cretaceous of Egypt (1 collection), the United Arab Emirates (1)
Total: 2 collections including 3 occurrences
Specimen images are retrieved through the ePANDDA API.
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