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Origins of biodiversity (free pdf)

From: Ben Creisler

A non-dino paleo-paper that may be of interest. Note that the pdf is free.

Michael J. Benton (2012)
Origins of biodiversity.
Palaeontology (advance online publication)
DOI: 10.1111/pala.12012

free pdf:  http://onlinelibrary.wiley.com/doi/10.1111/pala.12012/pdf

Palaeontologists have always had something to say about the origins of
biodiversity. However, until recently, most of what they had to say
was somewhat speculative. Following the inspirational suggestions by
Simpson in the 1940s, the American ‘paleobiological revolution’ of the
1970s encouraged palaeontologists to think numerically and in terms of
hypothesis testing. What was lacking from that revolution was
phylogeny, and this provides the basis of informative analyses that
truly link deep time fossil data with molecular trees and extant taxa.