@article {1780,
	title = {Observations on a group of Cretaceous fossil shells, found in Tippah County, Miss., with descriptions of fifty-six new species},
	journal = {Journal of the Academy of Natural Sciences of Philadelphia},
	volume = {3},
	year = {1858},
	pages = {323-335, plates 34-35},
	url = {http://biodiversitylibrary.org/page/36848310},
	author = {Conrad, T. A.}
}
