You may remember Spinosaurus aegyptiacus as a villain in "Jurassic Park III." In that 2001 movie, the sail-backed carnivore swims up to a barge and attacks the human passengers on the water.

Spinosaurus aegyptiacus was among the largest predators to roam the Earth during the Cretaceous period, the final era of the dinosaurs. As per a study published in PLOS ONE, these species ...