Ok, maybe the name isn’t as catchy as Jurassic Fight Club but that’s what it’s all about; ancient critters ripping the guts out of other ancient critters and how we know they did it.

On a battleground in ancient Canada, an entire herd of plant-eating Pachyrhinosaurus die in a single event. The attackers: a pair of fierce, agile, and terrifying carnivores called Albertosaurus.