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Re: "The X Digit"...a Pteroid bone??

In a message dated 1/23/99 10:55:30 PM EST, larryf@capital.net writes:

<< When it involves  the use of different morphological structures
 fine, but when the same skeletal constituants are involved I become
 extremely doubtful, especially when the types being compared are close
 together in phylogeny. (in this case being both archosaurs). >>

Don't be too sure that pterosaurs are archosaurs...