[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 

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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