title: The big bang of animal evolution.
authors.affiliation: Department of Ecology and Evolution, State University of New York, Stony Brook.
authors.forename: J S
authors.initials: JS
authors.lastname: Levinton
mesh_terms: D000818:Animals; D005075:Biological Evolution; D007448:Invertebrates; D010163:Paleontology; D014714:Vertebrates