Paleonet: Biostratigraphic datums - a question

Peter Roopnarine proopnarine at calacademy.org
Wed Apr 18 18:40:16 GMT 2007


On Wednesday 18 April 2007 10:19, Steve C. Wang wrote:
> Here are some articles on calculating range extensions that account for the
> incompleteness of the fossil  record:
Steve W. is correct. There are a number of ideas out there for dealing with 
this problem properly. While the mid-point approach mentioned in the original 
posting addresses the issue, I don't think that it is statistically 
legitimate. And yes, how come no mention of the Signor-Lipps effect? Here is 
another article that might be helpful:
Hayek, L. C. and E. Bura  On the ends of the taxon range problem. 
In "Evolutionary Patterns", (J. B. C. Jackson, S. Lidgard and F. K. McKinney 
eds.). U. Chicago Press.
Peter

-- 
Dr. Peter D. Roopnarine, Associate Curator
Department of Invertebrate Zoology & Geology
California Academy of Sciences
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