Since hair can't be preserved in fossils.... how do we know?

[IcyPeas]

discuss.

[Chainfire]

1. I know some dinosaurs that have hair exactly like that.

[Meadowoak]

3. +1

[Sneederbunk]

2. By Jove, I think you are onto something.

Alert Judi Lynn.

[GreenWave]

4. Feathers most likely.

[mike_c]

5. hey, I resemble that remark....

On the other hand, we actually can rule out that pic: reptiles don't have hair. Hair is an exclusively mammalian trait.

[brewens]

6. The imprint of hairs and feathers is preserved in fossils. You won't find a fossilized hair you

could pick up like a bone. They are like fossilized footprints.

[central scrutinizer]

7. Mulletosaurus!