@article {6081,
	title = {Comparative taxonomy of the bivalve families Isognomonidae, Inoceramidae, and Retroceramidae},
	journal = {Palaeontology},
	volume = {31},
	number = {4},
	year = {1988},
	note = {xeroxPls. 88-90},
	pages = {965-996},
	keywords = {bivalvia, isognomon, isognomonidae, microstructure, mollusca, paleoecology, paleontology, pterioida, pterioidea, taxonomy},
	author = {Crampton, J. S.}
}
@article {1080,
	title = {Comparative taxonomy of the bivalve families Isognomonidae, Inoceramidae, and Retroceramidae},
	journal = {Palaeontology},
	volume = {31},
	number = {4},
	year = {1988},
	pages = {965-996},
	keywords = {bivalvia, isognomon, isognomonidae, microstructure, mollusca, paleoecology, paleontology, pterioida, pterioidea, taxonomy},
	author = {Crampton, J. S.}
}
