Pre- and postmortem tyrannosaurid bite marks on the remains of Daspletosaurus (Tyrannosaurinae: Theropoda) from Dinosaur Provincial Park, Alberta, Canada

Pre- and postmortem tyrannosaurid bite marks on the remains of Daspletosaurus (Tyrannosaurinae: Theropoda) from Dinosaur Provincial Park, Alberta, Canada

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Trace marks on the bones of non-avian Baby Lotion dinosaurs may relate to feeding by large carnivores or as a result of combat.Here the cranium and mandible of a specimen of Daspletosaurus are described that show numerous premortem injuries with evidence of healing and these are inferred to relate primarily to intraspecific combat.In addition, postmortem damage to the mandible is indicative of late stage carcass consumption and the taphonomic context suggests that this was scavenging.These postmortem bites were delivered by a large bodied tyrannosaurid theropod and may have been a Humidifiers and Nebulizers - Nebulizers second Daspletosaurus, and thus this would be an additional record of tyrannosaurid cannibalism.