@article {7834,
	title = {On the revision of the mollusk genus <i>Pterinea</i>, Goldfuss},
	journal = {Proceedings of the United States National Museum},
	volume = {34},
	year = {1908},
	note = {PDF},
	month = {April 17},
	pages = {83-90},
	keywords = {actinopterella, bivalvia, cornellites, follmannella, micropteria, mollusca, pterinea, Pterineidae, pterioda, pterioidea, systematics, taxonomy, tolmaia},
	author = {Williams, Henry Shaler}
}
@article {1686,
	title = {On the revision of the mollusk genus Pterinea, Goldfuss},
	journal = {Proceedings of the United States National Museum},
	volume = {34},
	year = {1908},
	pages = {83-90},
	keywords = {actinopterella, bivalvia, cornellites, follmannella, micropteria, mollusca, pterinea, Pterineidae, pterioda, pterioidea, systematics, taxonomy, tolmaia},
	author = {Williams, Henry Shaler}
}
