New Crested Dinosaur Species Identified in Canada

A new genus and species of lambeosaurine hadrosaurid dinosaur has been identified in southern Alberta, Canada, dating back 77 million years to the Campanian age of the Cretaceous period.

A new genus and species of lambeosaurine hadrosaurid dinosaur has been identified in southern Alberta, Canada, dating back 77 million years to the Campanian age of the Cretaceous period. “Hollow-crested hadrosauroid (duck-billed) dinosaurs belonging to the clade Lambeosaurinae were widely distributed across the northern hemisphere towards the end of the Cretaceous,” Carleton University paleontologist Bradley McFeeters and colleagues wrote in their paper in the Canadian

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Journal of Earth Sciences. “Lambeosaurinae is inferred to have likely originated in Asia, where early-diverging members were present as early as the Santonian (86 to 84 million years ago).” “More derived lambeosaurines were present in western North America (Laramidia) by the Early-Middle Campanian (84 to 78 million years ago), and attained their greatest known abundance and diversity on that landmass later in the Campanian (until 72 million years ago).” Named Plesiolophus warnerensis, the new lambeosaurine species was identified from a fossilized skull roof and braincase found by fossil hunter Wendy Sloboda near the Milk River Ridge Reservoir, close to the village of Warner in southern Alberta. The fossil came from the layers of the Oldman Formation, a rock unit that has yielded surprisingly little diagnostic material from the ancestors of the region’s later, more diverse duck-billed...

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