title: Animal Evolution: Last Word on Sponges-First?
abstract: A major problem in understanding animal evolution is where early branching phyla, especially sponges and comb jellies (sea gooseberries), sit in the tree of life. A new study seeks to overcome this problem by sampling more species and data cleansing.
authors.affiliation: Department of Life Sciences, Natural History Museum, Cromwell Road, London SW7 5BD, UK. Electronic address: t.littlewood@nhm.ac.uk.
authors.forename: D Timothy J
authors.initials: DTJ
authors.lastname: Littlewood
mesh_terms: D000818:Animals; D037302:Ctenophora; D010802:Phylogeny