@article {7643,
	title = {Functional morphology, ecology, and evolutionary conservatism in the Glycymerididae (Bivalvia)},
	journal = {Palaeontology},
	volume = {18},
	number = {2},
	year = {1975},
	note = {xerox},
	pages = {217-254},
	keywords = {adaptation, bivalvia, ecology, evolution, mollusca, ontogeny, shell morphology},
	author = {Thomas, R. D. K.}
}
@article {7538,
	title = {Adaptive themes in the evolution of the Bivalvia (Mollusca)},
	journal = {Annual Review of Earth and Planetary Sciences},
	volume = {3},
	year = {1975},
	pages = {361-385},
	keywords = {adaptation, bivalvia, evolution, mollusca, morphology},
	author = {Stanley, Steven M.}
}
