[Taxacom] molecular clock critique from panbiogeography critique

Dr. David Campbell amblema at bama.ua.edu
Mon Jun 29 13:18:11 CDT 2009


Freshwater mollusks are another group in the Caribbean with curious, 
poorly understood biogeographic affinities that suggest that not all of 
Cuba and Jamaica were submerged.  


>(It gets tricky because so many clock studies are calibrated using the 
assumption that island endemics can be no older than their island).< 

This is only true of that subset of molecular clock studies that are 
calibrated...


-- 
Dr. David Campbell
425 Scientific Collections Building
Department of Biological Sciences
Biodiversity and Systematics
University of Alabama, Box 870345
Tuscaloosa AL 35487-0345  USA





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