[fish hawk]

"some ten million to twenty million years". Gee only a small margin of ten million years! These guys really slay me. Evolution my ass.

[68skylark]

Well, an error of 10-20 million years out of 400 million years is only 2.5% to 5%. That doesn't sound too bad to me -- that's lots better accuracy than I get in my job as an actuary!