Carcharocles megalodon Snacking on a Platybelodon in Miocene Waters. This image depicts the probably rare but plausible encounter between the giant shark Carcharocles (jaw diameter estimated at eleven feet) and a medium-sized proboscidean, Platybelodon.
Albertonectes in the Bearpaw Sea Around 74 million years ago, Albertonectes was the ultimate "stretch-limo" of a group of prehistoric reptiles called plesiosaurs. It hunted fish with a neck possessing over ten times as many vertebrae as ours!
Utahraptor "Utah's predator" is a genus of theropod dinosaurs. It contains a single species, Utahraptor ostrommaysorum, which is the largest known member of the family Dromaeosauridae. Fossil specimens date to the upper Barremian stage of the early Cretaceous period (in rock strata dated to 126 ± 2.5 million years ago)