@article {49379,
	title = {Earliest North American occurrence of Polycotylidae (Sauropterygia : Plesiosauria) from the Lower Cretaceous (Albian) Clearwater Formation, Alberta, Canada},
	volume = {83},
	year = {2009},
	pages = {981-989},
	publisher = {Journal of Paleontology},
	keywords = {Syncrude Canada Ltd.},
	url = {http://www.bioone.org/doi/pdf/10.1666/09-014.1},
	author = {Druckenmiller, Patrick S. and Russell, Anthony P.}
}
