Dinosaurs of 2009.

[farinango]

nice vid. what the name of the song (music)

[Grimacebot]

Tianyulong didn't really have true feathers because only theropod dinosaurs can have true feathersd and tianyulong was not a theropod.

But it did have a feather like structure on it's body probably 90% related to feathers but not true feathers more like bristle like proto feathers. Only Theropods and birds can have feathers like the other two, and birds are theropods and reptiles too technically.

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[egdeltur666]

right, but you're missing the point. They are mostly analogous to proto-feathers (ala Compsognathus), and heterodontosaurs are the first to branch off of ornithischians (in the early jurassic, probably earlier).

This means that some sort of unbranched, hollow, integumentary system was present on the ancestor of BOTH! See why this is so cool? It means at some point, every lineage of dinosaur had some sort of feather-like covering.

[axelvs94]

Great one Ollie!

[celophysis5454545]

nice vid 5/5 ^____^

[AwesomeussRex]

Happy Good Friday! ^o^