†Rachiosoma mortoni de Loriol 1887 (sea urchin)
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Echinoidea - Calycina - Phymosomatidae
Alternative combinations: Coptosoma mortoni, Cyphosoma mortoni
Belongs to Rachiosoma according to C. W. Cooke 1953
See also Clark and Twitchell 1915
Sister taxa: Rachiosoma corollare, Rachiosoma hondoensis
Ecology: slow-moving low-level epifaunal omnivore
Distribution:
• Cretaceous of United States (3: Alabama, Mississippi collections)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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