@article {721,
	title = {Freshwater mollusks of Alabama, Georgia and Florida from the Escambia to the Suwannee River.},
	journal = {Bulletin of the Florida State Museum, Biological Sciences},
	volume = {1},
	year = {1956},
	pages = {99-239},
	author = {Clench, W. J. and Turner, R. D.}
}
@article {713,
	title = {Notes on the generic names Pomacea and Ampullarius},
	journal = {Journal of Conchology},
	volume = {24},
	year = {1956},
	pages = {79},
	author = {Pain, T.}
}
@article {712,
	title = {On a collection of Pomacea from Colombia, with description of a new subspecies},
	journal = {Journal of Conchology},
	volume = {24},
	year = {1956},
	pages = {73-79},
	author = {Pain, T.}
}
