Julien Massoni's second and third PhD paper just came out. In this comprehensive molecular dating study calibrated with thoroughly reviewed fossil age constraints, we show that Magnoliidae are indeed a very old clade: 126 to 179 million years (depending on the maximum age of the angiosperms). We also find that all orders and most of the families probably started to diversify in the Cretaceous and provide the first evidence for drastic changes in speciation and extinction rates in Magnoliidae.
The two papers were published in Open Access journals and are freely available from the links below:
Massoni J, Doyle J, Sauquet H. 2015. Fossil calibration of Magnoliidae, an ancient lineage of angiosperms. Palaeontologia Electronica: 18.1.2FC. link
Massoni J, Couvreur TLP, Sauquet H. 2015. Five major shifts of diversification through the long evolutionary history of Magnoliidae (angiosperms). BMC Evolutionary Biology 15: 49. link
The two papers were published in Open Access journals and are freely available from the links below:
Massoni J, Doyle J, Sauquet H. 2015. Fossil calibration of Magnoliidae, an ancient lineage of angiosperms. Palaeontologia Electronica: 18.1.2FC. link
Massoni J, Couvreur TLP, Sauquet H. 2015. Five major shifts of diversification through the long evolutionary history of Magnoliidae (angiosperms). BMC Evolutionary Biology 15: 49. link
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