Troodon Posted April 7, 2017 Share Posted April 7, 2017 Many of us collect Edmontosaurus sp. skull elements and bones. Attached find a very interesting paper that describes skull elements on an Edmontosaurus regalis which is the Hadrosaur species found in the early Maastrichtian of Alberta. It's a very close cousin to the late Maastrichtian Edmontosaurus annectens found in the Hell Creek/Lance Formations. Beautiful Maxilla Paper: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0175253 8 Link to comment Share on other sites More sharing options...
doushantuo Posted April 7, 2017 Share Posted April 7, 2017 a very timely alert,Troodon. Link to comment Share on other sites More sharing options...
LordTrilobite Posted April 7, 2017 Share Posted April 7, 2017 That paper definitely has some great photos. The tail on that reconstruction looks off though. The caudofemoralis seems to be either missing or too small. 1 Olof Moleman AKA Lord Trilobite Link to comment Share on other sites More sharing options...
Troodon Posted April 7, 2017 Author Share Posted April 7, 2017 43 minutes ago, LordTrilobite said: That paper definitely has some great photos. The tail on that reconstruction looks off though. The caudofemoralis seems to be either missing or too small. Scott Hartman's view is slightly different http://www.skeletaldrawing.com/ornithiscians/edmontosaurus-regalis Link to comment Share on other sites More sharing options...
LordTrilobite Posted April 7, 2017 Share Posted April 7, 2017 Thats a pretty big difference in the hips. But my comment wasn't about the outline. But the lower part of the tail has a groove in that reconstruction that shouldn't be there. As far as I know the caudofemoralis should touch the bottom of the chevrons for a large part of the tail. Olof Moleman AKA Lord Trilobite Link to comment Share on other sites More sharing options...
Troodon Posted April 20, 2017 Author Share Posted April 20, 2017 An article on this topic https://omni.media/the-dead-zoo-edmontosaurus?utm_content=buffer8d856&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer Even suggests like many other paleontologists that Ugrunaaluk kuukpikensis a recently-named hadrosaur dinosaur from Alaska that was originally identified as Edmontosaurus, separated out into a new species, and now seems to be synonymous with Edmontosaurus again. 1 Link to comment Share on other sites More sharing options...
Troodon Posted December 31, 2017 Author Share Posted December 31, 2017 @Fruitbat did not see this paper in library. Pretty good one for dino geeks Link to comment Share on other sites More sharing options...
Fruitbat Posted December 31, 2017 Share Posted December 31, 2017 It's there now! I can't find them ALL! That's why I rely on folks like you and doushantuo and Oxytropidoceras and many others to help me round up the strays! -Joe Illigitimati non carborundum Fruitbat's PDF Library Link to comment Share on other sites More sharing options...
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