A dinosaur fossil that was discovered in a bitumen pit in Alberta, Canada, in 2011 is the best-preserved specimen of a nodosaur ever discovered, and it is truly a spectacle to behold. The herbivore died 110 ma BP in a riverbed and was swept to sea where it was swiftly buried in the mud and sediment of the seabed. Resting on its back, the nodosaur’s soft tissues, armor plating and thorny ridges became mineralized, preserving its form in stone.

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