@article {5990,
	title = {The shell structure of <i>Ptychodesma</i> (Cyrtodontidae; Bivalvia) and its bearing on the evolution of the Pteriomorphia},
	journal = {Philosophical Transactions of the Royal Society of London Series B-Biological Sciences},
	volume = {284},
	year = {1978},
	note = {PDF},
	pages = {367-374},
	keywords = {bivalvia, cyrtodonta, evolution, fossils, microstructure, mineralogy, mollusca, paleontology, pteriomorphia, ptychodesma, shell morphology},
	author = {Carter, J. G. and Tevesz, M. J. S.}
}
