title: Dating the origin of metazoan body plans.
authors.affiliation: Department of Palaeontology, Natural History Museum, Crornwell Road, London SW7 5BD, UK. a.smith@nhm.ac.uk
authors.forename: A B
authors.initials: AB
authors.lastname: Smith
mesh_terms: D000818:Animals; D005075:Biological Evolution; D005580:Fossils