†Macropneustes mortoni Conrad 1850 (heart urchin)
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Echinoidea - Spatangoida - Brissidae
Alternative combination: Holaster mortoni
Belongs to Macropneustes according to C. W. Cooke 1942
See also Clark and Twitchell 1915
Sister taxa: Macropneustes (Deakia), Macropneustes (Macropneustes), Macropneustes brodermani, Macropneustes gomezmazae, Macropneustes ventricosus
Ecology: slow-moving shallow infaunal deposit feeder-detritivore
Distribution:
• Eocene to Oligocene of United States (1: Georgia collection)
• Eocene of United States (4: Alabama)
Total: 5 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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