title: Crustaceans and the "Cambrian explosion".
authors.affiliation: Department of Earth Sciences, University of Uppsala, Norbyvagen 22, Uppsala S-752 36, Sweden.
authors.forename: G E
authors.initials: GE
authors.lastname: Budd
authors.forename: N J
authors.initials: NJ
authors.lastname: Butterfield
authors.forename: S
authors.initials: S
authors.lastname: Jensen
mesh_terms: D000818:Animals; D005075:Biological Evolution; D003445:Crustacea / Q000033:anatomy & histology / Q000145:classification; D005580:Fossils; D019015:Geologic Sediments