The non avian dinosaurs became extinct 65.5 million years ago. The earliest sirenians, (the order that includes manatees), didn't evolve until about 50 million years ago, 15 million years after the extinction of the non avian dinosaurs. However, scientists consider birds a group of dinosaurs, and, because birds still exist today, manatees do coexist with avian dinosaurs.
dolphin's, whales, etc. manaties, seals and walrus are also marine mammals.
HA! there are no genetic mutations! DINOSAURS ARE DINOSAURS! DINOSAURS ARE DINOSAURS! no mutants
Dinosaurs Dinosaurs Dinosaurs - 1985 TV was released on: USA: 1985
Platypuses are not dinosaurs; nor are they related to dinosaurs.
Sharks are Sharks and dinosaurs are dinosaurs. But there were animals recognizable as Sharks living when the dinosaurs did.
Young dinosaurs would have been called hatchlings. If you are asking what evolved from dinosaurs, the only descendants of dinosaurs are the birds.
Most dinosaurs were herbivores. There was a wide variety or carnivorous dinosaurs, though, and all herbivorous dinosaurs evolved from the earliest carnivorous dinosaurs. Birds are descendants of carnivorous dinosaurs.
Dinosaurs never flew dinosaurs were land reptiles although some dinosaurs could swim
No. Dinosaurs evolved from reptiles. Birds evolved from dinosaurs.
no dinosaurs can not defeat dragons but dragons can defeat dinosaurs
There were mammals living alongside the dinosaurs, but the dinosaurs were not mammals.
No, dinosaurs were not amphibians. Dinosaurs are classified as reptiles.