†Eurhodia rugosa depressa Kier 1980 (sea urchin)
Echinoidea - Cassiduloida - Neolampadidae
Full reference: P. M. Kier. 1980. The Echinoids of the Middle Eocene Warley Hill Formation, Santee Limestone, and Castle Hayne Limestone of North and South Carolina. Smithsonian Contributions to Paleobiology 39:1-102
Belongs to Eurhodia rugosa according to P. M. Kier 1980
Sister taxa: Eurhodia rugosa ideali, Eurhodia rugosa rugosa
Type specimen: Its type locality is Martin Marietta Quarry [Castle Hayne Limestone], which is in a Bartonian deep subtidal wackestone/grainstone in the Castle Hayne Formation of North Carolina
Ecology: infaunal detritivore
Distribution:
• Eocene of United States (2: North Carolina collections)
Total: 2 collections each including a single occurrence