@article {6367,
	title = {[Shells collected by the United States Exploring Expedition under the command of Charles Wilkes.]},
	journal = {Proceedings of the Boston Society of Natural History},
	volume = {3},
	number = {(Nov.), 1848 to 1851},
	year = {1850},
	month = {June 19},
	pages = {309-312},
	keywords = {avicula, bivalvia, crenatula, isognomon, isognomonidae, mollusca, pinctada, pinna, pinnidae, pinnoidea, pteriidae, pterioida, pterioidea, taxonomy},
	author = {Gould, A. A.}
}
@article {1189,
	title = {[Shells collected by the United States Exploring Expedition under the command of Charles Wilkes.]},
	journal = {Proceedings of the Boston Society of Natural History},
	volume = {3},
	number = {(Nov.), 18},
	year = {1850},
	pages = {309-312},
	keywords = {avicula, bivalvia, crenatula, isognomon, isognomonidae, mollusca, pinctada, pinna, pinnidae, pinnoidea, pteriidae, pterioida, pterioidea, taxonomy},
	author = {Gould, A. A.}
}
