The attitrion of taxonomic expertise

Thomas Pape en-thomas at NRM.SE
Fri Oct 18 18:36:22 CDT 1996


At 08.31 1996-10-18 -0700, James Lyons-Weiler wrote:

[snip]
>To identify a character state as a synapomorphic because it is not
>homoplastic on the tree it helped you choose is entirely circular.
[snip]

Synapomorphy relates directly to homology. We test homology by congruence or
'best fit' in a context of evolutionary parsimony.

How can that be circular?


Thomas Pape




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