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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.
What else can I help you with?
What mammal swims?
dolphin's, whales, etc. manaties, seals and walrus are also marine mammals.
What are the genetic mutations of dinosaurs?
HA! there are no genetic mutations! DINOSAURS ARE DINOSAURS! DINOSAURS ARE DINOSAURS! no mutants
What are the release dates for Dinosaurs Dinosaurs Dinosaurs - 1985 TV?
Dinosaurs Dinosaurs Dinosaurs - 1985 TV was released on: USA: 1985
Are platypuses dinosaurs?
Platypuses are not dinosaurs; nor are they related to dinosaurs.
Are dinosaurs really sharks?
Sharks are Sharks and dinosaurs are dinosaurs. But there were animals recognizable as Sharks living when the dinosaurs did.
What was the offspring of dinosaurs?
Young dinosaurs would have been called hatchlings. If you are asking what evolved from dinosaurs, the only descendants of dinosaurs are the birds.
Were most dinosaurs carnivals or herbivores?
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.
What made dinosaurs fly?
Dinosaurs never flew dinosaurs were land reptiles although some dinosaurs could swim
Are turkeys dinosaurs?
No. Turtle are from a branch of reptiles completely separate from dinosaurs.
Did dinosaurs evolve into reptiles?
No. Dinosaurs evolved from reptiles. Birds evolved from dinosaurs.
Who was first jusus or dinosaurs?
dinosaurs because there were no humans around when the dinosaurs were around.
Were there other mammals with dinosaurs?
There were mammals living alongside the dinosaurs, but the dinosaurs were not mammals.
