>>5009120
>pterosaur pycnofibers
Oh you mean actinofibrils? This has also been covered before.

https://youtu.be/mw7d6Rj_bcU?list=LL&t=1124

So let's review shall we? Featherfaggots (hired by the CIA) sought to fag up T. rex and raptors to make white boys angry and in the end they lost ALL fuzzy coverings for mesozoic reptiles.

Whoops.