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Image: Subadult Brachylophosaurus braincase

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Description: Subadult Brachylophosaurus canadensis braincase MOR 940 in dorsal view. Anterior is to the left. Specimen is from the Judith River Formation near Malta, Montana, in a horizon equivalent to the Comrey Sandstone Zone of the middle Oldman Formation. Borders of the nasals are indicated by white arrows. The specimen is heavily fractured, and the nasals are slightly elevated above the frontals, but this is due to fracturing; when undeformed, the nasals would have lain flush over the frontals, with no open space in between. There is no projection forming an overhanging, posteriorly oriented nasal crest as would be seen in larger Brachylophosaurus canadensis specimens.
Title: Subadult Brachylophosaurus braincase
Credit: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0141304
Author: Elizabeth A. Freedman Fowler, John R. Horner
Usage Terms: Creative Commons Attribution 2.5
License: CC BY 2.5
License Link: http://creativecommons.org/licenses/by/2.5
Attribution Required?: Yes

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