Isomicraster (heart urchin)

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

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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

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Specimen images are retrieved through the ePANDDA API.


Click image to enlarge. Click to access iDigBio record.