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Re: Dinosaurs Lived with Protoratites and Primates
<<<New Theory on the Origin of Primates
Michael Heads. 2009. Evolution and biogeography of
primates: a new model based on molecular phylogenetics,
vicariance and plate tectonics (p).
The ages of the oldest fossils suggest an origin for
primates in the Paleocene (~56 Ma).>>>
About every decade I ask the DML the following question:
What is the current time-stratigraphic status of _Purgatorius_ (found
in screening material from the (?)Hell Creek Fm). Have any new specimens
clarified whether it is a Upper Cretaceous species?
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