Jason J. Head, Ph.D.

2015- Zoology University of Cambridge, Cambridge, England, United Kingdom 
Vertebrate paleonotology, evolution, herpetology
"Jason Head"
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Ksepka DT, Parham JF, Allman JF, et al. (2015) The Fossil Calibration Database-A New Resource for Divergence Dating. Systematic Biology
Head JJ, Polly PD. (2015) Evolution of the snake body form reveals homoplasy in amniote Hox gene function. Nature. 520: 86-9
Head JJ. (2015) Fossil calibration dates for molecular phylogenetic analysis of snakes 1: Serpentes, Alethinophidia, Boidae, Pythonidae Palaeontologia Electronica. 18: 1-17
Conrad JL, Head JJ, Carrano MT. (2014) Unusual soft-tissue preservation of a crocodile lizard (Squamata, Shinisauria) from the green river formation (Eocene) and shinisaur relationships. Anatomical Record (Hoboken, N.J. : 2007). 297: 545-59
Head JJ, Gunnell GF, Holroyd PA, et al. (2013) Giant lizards occupied herbivorous mammalian ecospace during the Paleogene greenhouse in Southeast Asia. Proceedings. Biological Sciences / the Royal Society. 280: 20130665
Parham JF, Donoghue PC, Bell CJ, et al. (2012) Best practices for justifying fossil calibrations. Systematic Biology. 61: 346-59
Müller J, Hipsley CA, Head JJ, et al. (2011) Eocene lizard from Germany reveals amphisbaenian origins. Nature. 473: 364-7
Ksepka DT, Benton MJ, Carrano MT, et al. (2011) Synthesizing and databasing fossil calibrations: divergence dating and beyond. Biology Letters. 7: 801-3
Sanders KL, Mumpuni, Hamidy A, et al. (2010) Phylogeny and divergence times of filesnakes (Acrochordus): inferences from morphology, fossils and three molecular loci. Molecular Phylogenetics and Evolution. 56: 857-67
Müller J, Scheyer TM, Head JJ, et al. (2010) Homeotic effects, somitogenesis and the evolution of vertebral numbers in recent and fossil amniotes. Proceedings of the National Academy of Sciences of the United States of America. 107: 2118-23
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