Dean R. Richmond

Dean R. Richmond

Jan 23, 2017

Group 6 Copy 55
1

Morrison Formation clams on the half shell

The abstract on the Morrison Formation bivalves (clams) is in the review stage and will be submitted to the Geological Society of America in the coming weeks.  An evaluation of this mudstone bed has shown there is a whole paleocommunity besides the bivalves.  We have fish (bones and teeth), gastropods (snails), ostracods (a small crustacean that looks like a lima bean), and charophytes (a freshwater algae).  Some of these microfossils can help determine where we are in the biostratigraphic section of the formation, helping compare our site to others in the formation.  More work need to be done.  I am planning to go back to the site this coming summer to collect more bivalves and more sediment to see what other fun fossils it may contain.  

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  • David G. Hein,  Ph.D.
    David G. Hein, Ph.D.Backer
    Exciting, ground-breaking research documenting and describing a new paleocommunity in the northernmost exposure of vertebrate fossil-bearing Morrison Formation.
    Jan 23, 2017

About This Project

Two new Jurassic aged (155 million year ago) dinosaurs have been found in central Montana! These “Brontosaurus” type dinosaurs species were previously unknown to paleontologists. The scope of this project is to determine the stratigraphy, sedimentology, depositional facies, vertebrate taphonomy and paleoclimate of the Morrison Formation in central Montana. We will describe the dinosaurs and bring them back to life in their prehistoric environment.

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