@article {6611,
	title = {Direct measurement of age in fossil <i>Gryphaea</i>: the solution to a classic problem in heterochrony},
	journal = {Paleobiology},
	volume = {25},
	number = {2},
	year = {1999},
	note = {PDF},
	month = {Spring},
	pages = {158-187},
	keywords = {bivalvia, evolution, gryphaea, gryphaeidae, heterochrony, mollusca, ostreoida, ostreoidea},
	author = {Jones, Douglas S. and Gould, Stephen Jay}
}
@article {6372,
	title = {Presentation of the Schuchert award of the Paleontological Society fo Niles Eldredge},
	journal = {Journal of Paleontology},
	volume = {54},
	number = {3},
	year = {1980},
	note = {reprint},
	pages = {641-642},
	keywords = {biography, evolution},
	author = {Gould, Stephen Jay}
}
@inbook {6373,
	title = {Speciation and sorting as the source of evolutionary trends, or {\textquoteright}things are seldom what they seem{\textquoteright}},
	booktitle = {Evolutionary trends},
	year = {1990},
	pages = {3-27},
	publisher = {Belhaven Press},
	organization = {Belhaven Press},
	address = {London},
	keywords = {evolution, extinction, macroevolution, speciation, trends},
	author = {Gould, Stephen Jay},
	editor = {McNamara, Kenneth J.}
}
@article {6375,
	title = {Gulliver{\textquoteright}s further travels: the necessity and difficulty of a hierarchical theory of selection},
	journal = {Philosophical Transactions of the Royal Society of London Series B-Biological Sciences},
	volume = {353},
	year = {1998},
	note = {PDF},
	pages = {307-314},
	keywords = {allometry, hierarchy theory, macroevolution, punctuated equilibrium, scale, selection, speciation, species selection},
	author = {Gould, Stephen Jay}
}
@book {6377,
	title = {The structure of evolutionary theory},
	year = {2002},
	pages = {1433},
	publisher = {The Belknap Press of Harvard University Press},
	organization = {The Belknap Press of Harvard University Press},
	address = {Cambridge, Massachusetts, and London, England},
	keywords = {evolution, evolutionary theory},
	isbn = {0-674-00613-5},
	author = {Gould, Stephen Jay}
}
@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}
}
@inbook {6228,
	title = {Punctuated equilibria: an alternative to phyletic gradualism},
	booktitle = {Models in paleobiology},
	year = {1972},
	note = {PDF},
	pages = {82-115},
	publisher = {Freeman, Cooper},
	organization = {Freeman, Cooper},
	address = {San Francisco},
	keywords = {evolution, macroevolution, punctuated equilibrium, stasis, trends},
	author = {Eldredge, Niles and Gould, Stephen Jay},
	editor = {Schopf, T. J. M.}
}
