†Isomicraster (heart urchin)
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Echinoidea - Spatangoida - Spatangidae
Parent taxon: Spatangidae according to G. N. Djabarov 1964
See also Fischer 1966 and Sepkoski 2002
Sister taxa: Atelospatangus, Epiaster, Gonimaretia, Laevipatagus, Maretia, Paramaretia, Sarsella, Semipetalion, Spatangus
Subtaxa: Isomicraster danei Isomicraster gibbus Isomicraster rossi
Ecology: slow-moving shallow infaunal deposit feeder-detritivore
Distribution:
• Cretaceous of Germany (2 collections), Turkmenistan (3), United States (3: Arkansas, Texas)
Total: 8 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.