@article {7195,
	title = {Review of Ordovician pelecypods},
	journal = {Geological Survey Professional Paper},
	number = {695},
	year = {1971},
	note = {PDF, reprint},
	pages = {iv+46, 20 pls.},
	keywords = {ahtioconcha, alnifia, anderkenia, aristerella, bivalvia, eopteria, fossil record, heikea, leptodesma, mollusca, ordovician, palaeopteria, paleoecology, paleozoic, pinctada, Pteria, pteriidae, pterinea, Pterineidae, pterioidea, rhombopteria, shell morphology, taxonomy},
	author = {Pojeta, John, Jr.}
}
