@book {113,
	title = {Land Mollusca of North America north of Mexico},
	series = {The Academy of Natural Sciences of Philadelphia Monograph},
	volume = {3},
	number = {2},
	year = {1948},
	pages = {748-770},
	author = {Pilsbry, HA}
}
@article {276,
	title = {Pallifera (Pancalyptus) tournescalis (Mollusca: Pulmonata: Philomycidae), new species from Oklahoma},
	journal = {The Southwestern Naturalist},
	volume = {13},
	year = {1968},
	pages = {457-458},
	author = {Branson, BA}
}
@article {258,
	title = {A review of some land snails of the eastern United States},
	journal = {Malacological Review},
	volume = {7},
	year = {1974},
	pages = {33-34},
	author = {Hubricht, L}
}
@article {216,
	title = {The distributions of the native land mollusks of the Eastern United States.},
	journal = {Fieldiana},
	volume = {24},
	year = {1985},
	chapter = {1-191 + viii},
	author = {Hubricht, L}
}
