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Cretaceous Continental Mollusks

With colleagues Eric Roberts and Brady Foreman, I am conducting a baseline inventory of invertebrate fossils from Campanian (Late Cretaceous) continental deposits in Grand Staircase-Escalante National Monument, southern Utah. Founded on well-dated measured sections, these fossil collections will help identify depositional environments and provide carbonate for stable isotope analysis that will independently constrain the geochemistry and ecology of fluvial systems over a 5 million year interval. This research also provides an invertebrate test of the recent hypothesis of faunal provinciality within the Cretaceous Western Interior Basin proposed for vertebrate faunas by Gates et al. (2010) and Sampson et al. (2010).

Research supported by BLM.

Graduate student, R. Scott Kelly MS Geology candidate.


Bivalves and gastropods from Late Cretaceous deposits in Grand Staircase-Escalante National Monument, southern Utah.