Re: Diagnostic Material

[Raptorial Talon <raptorialtalon@gmail.com>]

> It certainly can't be done by number of bones - just saying "a specimen 
> composed of one vertebra/whatever can't be diagnostic" doesn't work, because 
> of stuff like <i>Xenoposeidon</i> - one partial vertebra, tons of distinctive 
> characters.


 . . . which falls apart if several new taxa are found to have those
features. And the cycle continues.

Not that that's likely or anything in this case - that's just how
those gray areas develop.