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10-02-2020, 09:39 PM
Archaeopteryx´ feather
It's amazing how finely sandstone preserves details.
As a boy, the first fossil I found was a small fish-tail, impressed into sandstone, in the Paluxy River here in Texas, about 40 mm across and 20 mm front-to-back. You could see every bony ray of the tail, and the clear outline of the fleshy tailfin itself, impressed into the fine wet sand that later solidified.
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10-16-2020, 03:37 AM
Archaeopteryx´ feather
It's amazing how far paleontologists have come since I first learned about these topics. Back then almost everything was a giant lizard. Now scientists are putting feathers on them and suggesting some may have been homeothermic. Archaeopteryx was obviously a bird and it's interesting the feathers look so similar to modern birds, but hard to imagine a T-Rex with plumage. If you have seen anything on the development of early flight please let me know. Cool post.