title: The turtle's shell.
abstract: Gerardo Cordero introduces the turtle shell, an evolutionary novelty.
authors.affiliation: Department of Biology, Lund University, Sölvegatan 37, SE-223 62 Lund, Sweden. Electronic address: antonio.cordero@biol.lu.se.
authors.forename: Gerardo A
authors.initials: GA
authors.lastname: Cordero
mesh_terms: D060105:Animal Shells / Q000033:anatomy & histology / Q000196:embryology / Q000254:growth & development; D000818:Animals; D005075:Biological Evolution; D003247:Conservation of Natural Resources; D005580:Fossils / Q000033:anatomy & histology; D014426:Turtles / Q000033:anatomy & histology / Q000196:embryology / Q000254:growth & development / Q000502:physiology