Plant Fossil Record Reflects Just Two Great Extinction Events – Open Access
Cascales-Miñana, B., and C. J. Cleal, 2014, The
plant fossil record reflects just two great extinction
events. Terra Nova. vol. 26, no. 3, pp. 195–200.
http://onlinelibrary.wiley.com/doi/10.1111/ter.12086/full
http://onlinelibrary.wiley.com/doi/10.1111/ter.12086/pdf
"Here we show that the plant fossil record in fact only
provides evidence of two mass taxonomic extinction
events, one through the Carboniferous-Permian
transition, the other during middle-late Permian times."
Yours,
Paul H.
