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RE: Where to draw the line.



>>Where do you draw the line between what is a difference amongst
species and what is a difference amongst individuals?<<
You mate the vertebrae and see if they produce young?

There can't be any definition of fossils as species the same way one
classifies living animals.  All you can say is 'specimen A is different
from specimen B is these particulars' which particulars one chooses is
an important question, but is entirely at the discretion of the person
classifying the fossil. 

Dan