Darren Naish wrote:
He argues that because hundreds of Jurassic coelophysoid skeletons are known (p. 1197) then the absence of Jurassic proto-bird dinosaurs is evidence of absence. [snip] The absence of evidence here (good evidence) is a weakness though: can someone please go out this weekend and find a mid-Jurassic lagerstatte full of small coelurosaurs please?
Tim