@article {7054,
	title = {Oyster-like Permian Bivalvia},
	journal = {Bulletin of the American Museum of Natural History},
	volume = {143},
	year = {1970},
	note = {Reprint},
	pages = {217-282},
	keywords = {bivalvia, fossil record, ligament, microstructure, mollusca, ostreina, oysters, paleoecology, paleozoic, permian, pterioidea, shell morphology, stratigraphy, taphonomy, taxonomy},
	author = {Newell, Norman D. and Boyd, Donald W.}
}
@article {6470,
	title = {Early Mesozoic evolution of alivincular bivalve ligaments and its implications for the timing of the {\textquoteright}Mesozoic marine revolution{\textquoteright}},
	journal = {Lethaia},
	volume = {37},
	year = {2004},
	note = {PDF},
	pages = {165-172},
	keywords = {bivalvia, ecology, escalation, fossil record, ligament, mollusca, ostreoida, paleontology, shell morphology},
	author = {Hautmann, Michael}
}
@article {5916,
	title = {Silicified <i>Leptodesma </i>(Bivalvia; Pteriomorphia) from the Texas Permian},
	journal = {American Museum Novitates},
	volume = {3347},
	year = {2001},
	note = {PDFreprint},
	month = {August 28},
	pages = {1-10},
	keywords = {bivalvia, fossil record, leptodesma, ligament, microstructure, mollusca, paleontology, permian, Pterineidae, pterioida, pterioidea},
	author = {Boyd, Donald W. and Newell, Norman D.}
}
