†Oligopygus haldermani Conrad 1850 (sand dollar)
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Echinoidea - Clypeasteroida - Oligopygidae
Alternative combinations: Discoidea haldermani, Oligopygus haldemani
Belongs to Oligopygus according to M. Sanchez Roig 1926
See also Clark and Twitchell 1915 and Cooke 1942
Sister taxa: Oligopygus alvarezi, Oligopygus floridanus, Oligopygus herrari, Oligopygus nancei, Oligopygus ovumserpentis, Oligopygus rotundus, Oligopygus sanjosephi, Oligopygus wetherbyi
Ecology: slow-moving semi-infaunal detritivore
Distribution:
• Oligocene of Cuba (1 collection)
• Eocene of United States (10: Alabama, Florida, Georgia)
Total: 11 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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