title: Palaeontology: Inside-out turned upside-down.
authors.affiliation: Muséum National d'Histoire Naturelle, 75231 Paris Cedex 05, France.
authors.forename: Philippe
authors.initials: P
authors.lastname: Janvier
mesh_terms: D000818:Animals; D005075:Biological Evolution; D005580:Fossils; D014070:Tooth / Q000033:anatomy & histology*; D014714:Vertebrates / Q000033:anatomy & histology* / Q000145:classification*