07392 - Top Rare 2.03 Inch Micraster (Heart Urchin) Upper Cretaceous

Well preserved specimen.

† Micraster, Agassiz 1836 (heart urchin)
Echinoidea - Spatangoida - Micrasteridae

PaleoDB taxon number: 33430

Parent taxon: Micrasteridae according to A. G. Fischer 1966

See also Djabarov 1964 and Sepkoski 2002

Sister taxa: Brissopneustes, Cyclasterinae, Isopneustes, Ovulaster

Subtaxa: Micraster (Gibbaster), Micraster (Micraster), Micraster (Plesiaster), Micraster acutus, Micraster americanus, Micraster carinatus, Micraster coranguinum, Micraster corbovis, Micraster cortestudinarium, Micraster glyphus, Micraster leskei, Micraster pseudorostratus, Micraster rogalae, Micraster schroederi, Micraster uddeni

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Type: Spatangus coranguinum

Ecology: slow-moving shallow infaunal deposit feeder-detritivore

Environments: offshore shelf (10 collections), shallow subtidal (5), marine (4), deep subtidal shelf (4), offshore (3), carbonate (2), transition zone/lower shoreface (2), deep subtidal (1), (1), reef, buildup or bioherm (1), foreshore (1), coastal (1), offshore (1)

Age range: 94.3 to 55.8 Ma

Distribution:

• Paleocene of Denmark (1 collection), Egypt (1), Spain (1)

• Cretaceous of Antarctica (1), Austria (3), Belgium (2), France (11), Germany (15), Serbia and Montenegro (1), Spain (60), Tunisia (1), the United Kingdom (3)

Total: 100 collections including 117 occurrences