Palaeos:		References
Life		References

Taxonomy : References

Benton, M.J. 2007 The Phylocode: Beating a dead horse? Acta Palaeontol. Pol. 52 (3): 651â€"655, 2007
History of Taxonomy

Simpson, George G. "The Principles of Classification and a Classification of Mammals." Bulletin of the AMNH, vol. 85, p. 23. 1945. American Museum of Natural History, New York.
Splitters versus lumpers

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