Biggest dinosaur myth: part 2

Ok, so as the title says this is just a threadctobposy dinosaur myths or inaccuices. I wil start.

microraptor was not black colored.

allosauris was the ancestor to t.rex.

megalosaurids are frail.

no other theropod even came close to t.rex in terms of biteforce and bulk.

ok now you guys start.