Palaeosaniwa canadensis is an extinct species of carnivorous lizard from the late Cretaceous of North America. The name, given by Charles Whitney Gilmore in 1928, means "ancient Saniwa from Canada".
A space-time vortex sucks a team of mismatched scientists, soldiers, survivalists, and adventurers into a universe filled with lush jungles and populated by dinosaurs, tribes of primitive hominids, and terrifying creatures.