Evolution. Extinction. Fossilization. (Repeat)
Wednesday, November 18, 2015
, New Hadrosaur from the Judith River Fm of Montana
A New Brachylophosaurin Hadrosaur (Dinosauria: Ornithischia) with an Intermediate Nasal Crest from the Campanian Judith River Formation of Northcentral Montana
. 2015. Freedman Fowler and Horner, PLoS One.
is a previously missing link between a preceding species,
, which lived about 81 million years ago, and later form
, which lived about 77.5 million years ago.
Michael J. Ryan, Ph.D.
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