@article {7061,
	title = {Permian reef complex, Tunisia},
	journal = {Brigham Young University Geology Studies},
	volume = {23},
	number = {1},
	year = {1976},
	note = {reprint},
	pages = {75-112},
	keywords = {bakevellia, bakevelliidae, ecology, fossil record, geology, mollusca, paleoecology, paleozoic, permian, pterioida, pterioidea, reef, stratigraphy},
	author = {Newell, Norman D. and Rigby, J. Keith and Driggs, Allan and Boyd, Donald W. and Stehli, Francis G.}
}
@article {6760,
	title = {A comparative study of Silurian and recent deposit-feeding bivalve communities},
	journal = {Paleobiology},
	volume = {1},
	year = {1975},
	note = {PDF},
	pages = {97-124},
	keywords = {bivalvia, communities, ecology, mollusca, paleozoic, silurian},
	author = {Levinton, Jeffrey S. and Bambach, Richard K.}
}
