title: Extinction and the fossil record.
authors.affiliation: Department of the Geophysical Sciences, University of Chicago, Ill. 60637, USA.
authors.forename: J J
authors.initials: JJ
authors.lastname: Sepkoski
mesh_terms: D000818:Animals; D005075:Biological Evolution; D005580:Fossils; D008386:Marine Biology; D010163:Paleontology