@article {6378,
	title = {Clams and brachiopods - ships that pass in the night},
	journal = {Paleobiology},
	volume = {6},
	number = {4},
	year = {1980},
	note = {PDF},
	pages = {383-396},
	keywords = {brachiopoda, competition, ecology, evolution, extinction, macroevolution, mollusca},
	author = {Gould, Stephen Jay and Calloway, C. Bradford}
}
