title: Palaeontology: Birth of the jawed vertebrates.
authors.forename: Per E
authors.initials: PE
authors.lastname: Ahlberg
mesh_terms: D000818:Animals; D005075:Biological Evolution; D005306:Fertilization / Q000502:physiology*; D005399:Fishes / Q000033:anatomy & histology / Q000145:classification / Q000196:embryology* / Q000502:physiology*; D005580:Fossils; D052286:Viviparity, Nonmammalian / Q000502:physiology*; D014904:Western Australia