@article {6910,
	title = {Analysis of the shell torsion phenomenon in the Bivalvia},
	journal = {Lethaia},
	volume = {11},
	year = {1978},
	pages = {315-329},
	keywords = {arcidae, bakevelliidae, bivalvia, ecology, fossils, functional morphology, mollusca, morphogenesis, paleontology, shell morphology, theoretical morphology},
	author = {McGhee, George R., Jr}
}
@book {6911,
	title = {Theoretical morphology: the concept and its applications},
	series = {Perspectives in Paleobiology and Earth History},
	year = {1998},
	pages = {316},
	publisher = {Columbia University Press},
	organization = {Columbia University Press},
	address = {New York},
	keywords = {constructional morphology, evolution, morphospace, paleontology, theoretical morphology},
	isbn = {0-231-10616-5 (alk. paper)0-231-10617-3 (pbk.: alk paper)},
	author = {McGhee, George R., Jr},
	editor = {Bottjer, David J. and Bambach, Richard K.}
}
@inbook {5908,
	title = {The ecological architecture of major events in the Phanerozoic history of marine invertebrate life},
	booktitle = {Evolutionary paleoecology: the ecological context of macroevolutionary change},
	year = {2001},
	pages = {35-61},
	publisher = {Columbia University Press},
	organization = {Columbia University Press},
	address = {New York},
	keywords = {evolution, extinction, paleoecology},
	author = {Bottjer, David J. and Droser, Mary L. and Sheehan, Peter M. and McGhee, George R., Jr},
	editor = {Allmon, Warren D. and Bottjer, David J.}
}
