†Orthopsis occidentalis Cragin 1893 (sea urchin)
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Echinoidea - Euechinoidea - Orthopsidae
Belongs to Orthopsis according to W. B. Clark and M. W. Twitchell 1915
Sister taxon: Orthopsis miliaris
Ecology: epifaunal grazer-deposit feeder
Distribution: found only at Sierra Blanca Mountain (Cretaceous of Texas)
Specimen images are retrieved through the ePANDDA API.
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