title: Key transitions in animal evolution.
abstract: In order to address this subject further and to assess progress in the examination of animal origins and transitions, an international group of scientists was convened at the Society for Comparative Biology meeting in January 2007.
authors.affiliation: * American Museum of Natural History, New York, Division of Invertebrate Zoology 79 St at Central Park West, New York, NY 10024; ITZ, Ecology & Evolution, TiHo Hannover, Bünteweg 17d, D-30559 Hannover, Germany.
authors.forename: Rob
authors.initials: R
authors.lastname: Desalle
authors.forename: Bernd
authors.initials: B
authors.lastname: Schierwater