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What era did sand sharks first appear?
Sand sharks first appeared in the late Eocene epoch, which spanned from approximately 56 to 33.9 million years ago. Fossil evidence suggests that sand sharks were present during this time period and have continued to exist to the present day.
Sharks older than crocodiles?
The Megalodon is the oldest and biggest shark that ever lived. It inhabited the earth 18 million to 1.5 million years ago. It was the biggest carnivorious fish known to have existed. It could grow up to 50ft in size and fed on prehistoric whales. SuperSlasher
What animal common to today's ocean whose relatives were also around 470 million years ago?
There are a few animals common to today's ocean whose relatives were also around 470 million years ago. Sharks are a good example.
About how many year ago the mesozoic lasted?
The Mesozoic Period (251 - 65 million years ago) lasted approximately 216 million years. It consisted of the Triassic Period (251 - 200 million years ago), the Jurassic Period (199-146 million years ago) and the Cretaceous Period (145 - 65 million years ago).
Which Era is the longest Precambrian Paleozic Mesozoic or Cenozoic?
Precambrian
When did Pangaea exist?
From about 300 million years ago to 180 million years ago.
Since when do sharks exist?
Up to and over 15,000,000 years ago.
What era did sand sharks first appear?
Sand sharks first appeared in the late Eocene epoch, which spanned from approximately 56 to 33.9 million years ago. Fossil evidence suggests that sand sharks were present during this time period and have continued to exist to the present day.
How many years ago did horses exist?
Around fifty million years ago.
How long ago did dinosaurs exist?
65 million years ago
What type human lived 25 million years ago?
25 million years ago, humans did not exist. Australopithecus (the earliest human) evolved about 3.75 million years ago.
How long ago did the last common ancestor of sharks and rays live?
420 million years ago
Did the moa exist before the dinosaurs?
No, Moas lived from about 17 million years ago until about 600 years ago. Dinosaurs died out 65 million years ago.
How long ago did Pangaea exist?
Pangaea existed approximately 335 million years ago and began breaking apart around 175 million years ago during the Mesozoic era.
Does the elasmosaurus still exist?
No. They died out 65 million years ago.
Where do megladon sharks live?
They died off roughly 1.5 million years ago.
How long ago did arthropods first appear?
Around 400 million years ago, in the Devonian, the age of sharks and early amphibians.
