The family Delphinidae is the largest in the Cetacean order, and evolved relatively recently, about ten million years ago. There are almost forty species of dolphin in 17 genera all varying in size and shape
The Supercontinent Pangaea of the Triassic Period - A map of the Earth around 250 to 200 million years ago featuring Gondwanna, Laurasia and Pangaea the Supercontinent. Populated with Dinosaurs, Therapsids, Pterosaurs, and other prehistoric beasts.
Study finds 80% decline over 3 generations MUMBAI: It looks like a chainsaw, but does more than delivering a fatal slash.