@article {7770,
	title = {Exhaustion of morphologic character states among fossil taxa},
	journal = {Evolution},
	volume = {54},
	number = {2},
	year = {2000},
	pages = {365-386},
	keywords = {constraints, evolution, paleontology, phylogenetics, phylogeny},
	author = {Wagner, Peter J.}
}
@article {7486,
	title = {Dating the time of origin of major clades: molecular clocks and the fossil record},
	journal = {Annual Review of Earth and Planetary Sciences},
	volume = {30},
	year = {2002},
	note = {PDF},
	pages = {65-88},
	keywords = {fossils, molecular clock, paleontology, phylogenetics, phylogeny},
	author = {Smith, Andrew B. and Peterson, Kevin J.}
}
@article {7423,
	title = {Evidence for the origin of eusociality in the corbiculate bees (Hymenoptera: Apidae)},
	journal = {Journal of the Kansas Entomological Society},
	volume = {74},
	number = {1},
	year = {2001},
	note = {xerox},
	pages = {10-16},
	keywords = {fossils, molecules, morphology, paleontology, phylogenetics, phylogeny},
	author = {Schultz, Ted R. and Engel, Michael S. and Ascher, John S.}
}
@article {6581,
	title = {How phylogenetic inference can shape our view of heterochrony: examples from thecideide brachiopods},
	journal = {Paleobiology},
	volume = {27},
	number = {2},
	year = {2001},
	note = {PDF},
	pages = {205{\textendash}225},
	keywords = {evolution, heterochrony, paleontology, phylogenetics, phylogeny},
	author = {Jaecks, Glenn S. and Carlson, Sandra J.}
}
@inbook {6223,
	title = {Cladism and common sense},
	booktitle = {Phylogenetic analysis and paleontology. Proceedings of a symposium entitled "Phylogenetic Models," convened at the North American Paleontological Convention 2, Lawrence, Kansas, August 8, 1977},
	year = {1979},
	pages = {165-198},
	publisher = {Columbia University Press},
	organization = {Columbia University Press},
	address = {New York},
	keywords = {fossils, paleontology, phylogenetics, phylogeny, stratigraphy, systematics},
	author = {Eldredge, Niles},
	editor = {Cracraft, Joel and Eldredge, Niles}
}
@book {6227,
	title = {Phylogenetic patterns and the evolutionary process: method and theory in comparative biology},
	year = {1980},
	pages = {349},
	publisher = {Columbia University Press},
	organization = {Columbia University Press},
	address = {New York},
	keywords = {evolution, evolutionary theory, fossils, paleontology, phylogenetics, phylogeny, speciation, species concepts},
	isbn = {0-231-03802-X},
	author = {Eldredge, Niles and Cracraft, Joel}
}
@book {6078,
	title = {Phylogenetic analysis and paleontology. Proceedings of a symposium entitled "Phylogenetic Models," convened at the North American Paleontological Convention 2, Lawrence, Kansas, August 8, 1977},
	year = {1979},
	pages = {233},
	publisher = {Columbia University Press},
	organization = {Columbia University Press},
	address = {New York},
	keywords = {evolution, paleontology, phylogenetics, phylogeny, stratigraphy, stratophenetics},
	author = {Cracraft, Joel and Eldredge, Niles}
}
