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Q: What were a group of hard-shelled animals that lived 65 million to 500 million years ago and are used as index fossils?
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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 group are fossils never found in?

Fossils are never found in Igneous rocks


What group of rocks come from living things?

Fossils!


Were there dinosaurs in the olden times?

There were dinosaurs up until about 60 million years ago. They had existed for about 170 million years. The present representatives of this group of animals are the birds.


Are fossil fuels fossils?

Yes. They are a large group of fossils which are full of the energy of the dead creatures or plants which formed them.


Which group of rocks tends to have fossils?

Sedimentary, especially limestone.


Dinosaur lived for how many years on earth?

Dinosaurs are a diverse group of animals that were the dominant terrestrial vertebrates for over 160 million years.! :)Thank you.


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What is the least diverse group of animals?

The least diverse group of animals is Insects.


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What group of animals are in a kindle? What group of animals are in a nide?


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