†Oligopygus floridanus Clark and Twitchell 1915 (sand dollar)
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Echinoidea - Clypeasteroida - Oligopygidae
Full reference: W. B. Clark and M. W. Twitchell. 1915. The Mesozoic and Cenozoic Echinodermata of the United States. United States Geological Survey Bulletin 54:1-341
Belongs to Oligopygus according to W. B. Clark and M. W. Twitchell 1915
See also Cooke 1942
Sister taxa: Oligopygus alvarezi, Oligopygus haldermani, Oligopygus herrari, Oligopygus nancei, Oligopygus ovumserpentis, Oligopygus rotundus, Oligopygus sanjosephi, Oligopygus wetherbyi
Type specimen: Its type locality is Nigger Sink, which is in an Oligocene marine horizon in Florida
Ecology: slow-moving semi-infaunal detritivore
Distribution: found only at Nigger Sink
Specimen images are retrieved through the ePANDDA API.
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