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Vertebrates developed about 550 million years ago. The oldest vertebrate fossils are those of with no jaws.?
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All about dinousrs?
Dinosaurs were a group of large vertebrates that were alive over 200 million years ago. Fossils of these animals have been found all over the world.
What is the most ancient gruop of vertebrates?
fish The vertebrates have a nebulous starting point. There are some chordates that have more of a notochord than a true vertebrate column. Some taxicologists are more comfortable saying that a Coelacanth has a notochord rather than a vertebrate column when clearly the vertebrate are present in this animal. So its is a matter of your own definition. One could say 'at a stretch' that the hagfish and lamprey are the most ancient vertebrates.
Was a dinosaur the first Vertebrate?
The first vertebrate was Pikaia, which lived 510 million years ago, 280 million years BEFORE dinosaurs.
Why there are no human fossils in coal?
Coal fossils formation begin about 60 million to 290 million years ago (before human existence) therefore no human fossils are found in coal.
Did birds first begin to fly in the pre-Cambrian period?
No. Birds are air breathing vertebrates, there were no air breathing animals in the Precambrian. The earliest bird fossils are found in rocks about 160 million years old in the Jurassic period.
Is a limestone bed containing fossils that are 550 million years old older than a bed of sandstone containing fossils that are 400 million years old?
550 million years old
When did the first vertebrate appear?
vertebrates evolved from micro-organisms many millions of years ago...Another point of view:This actually depends upon your personal view. For the Christian, the story of creation as it appears in the book of Genesis clearly indicates that the first vertebrates appeared on the fifth day of creation, when God created birds, fish and other sea creatures.Oldest known vertebrateA five-centimetre fossil, known as the Ediacara Chordate and uncovered in South Australia is believed to be the oldest vertebrate ever found. The fossil looks like an elongated tadpole and is believed to be at least 560 million years old.
Are Tiger Sharks vertebrates?
yes the saber toothed cat is a decendant of the miacid which was a small fury mammal that lived 60 million years ago. all mammals such as tigers, lions, dogs, even monkeys are thought of all to come from the miacid. sooo basically yes, the saber toothed cat is a mammal, or was a mammal anyway until it became extinct =]]
How old are the fossils from the Silurian period?
Fossils from the Silurian Period are between 443.7 and 416 million years old.
Where are most fossils found in Virginia?
The state of Virginia has a spectacular array of fossils, from 540 million year old burrows to one million year old Mastodon teeth. Most fossils are found in the Piedmont Province and Blue Ridge.
Majority of animals on earth?
there are 79 million species on earth Vertebrates
When did vertebrates invade dry land?
350 million years ago
