title: Timescales and timetrees.
authors: Department of Palaeontology, The Natural History Museum, Cromwell Road, London, SW7 5BD, UK (tel +44 (0) 20 7942 5586; email p.kenrick@nhm.ac.uk).
authors: Paul
authors: P
authors: Kenrick
mesh_terms: D005075:Biological Evolution; D019684:Magnoliopsida / Q000235:genetics*