@article {4222,
	title = {Mollusca of the Tertiary formations of Northeastern Mexico},
	journal = {Geological Society of America, Memoir},
	volume = {11},
	year = {1945},
	pages = {1-332},
	author = {Gardner, J.}
}
@book {316,
	title = {Fossil shells of the Tertiary formations of North America. 1(2-4)},
	year = {1833},
	month = {09/1833},
	pages = {29-46},
	address = {Philadelphia},
	keywords = {Alabama, Eocene, USA},
	url = {http://www.archive.org/details/republicationofc00conrrich},
	author = {Conrad, T.A.},
	editor = {Harris, G.D.}
}
