†Goniopygus zitteli Clark 1891 (sea urchin)
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Echinoidea - Arbacioida - Arbaciidae
Belongs to Goniopygus according to W. B. Clark and M. W. Twitchell 1915
Sister taxa: Goniopygus arabicus, Goniopygus atavus, Goniopygus eravillensis, Goniopygus menardi, Goniopygus minor
Ecology: epifaunal grazer
Distribution: found only at Round Rock (Cretaceous of Texas)
Specimen images are retrieved through the ePANDDA API.
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