title: Evolution of habitat depth in the Jurassic-Cretaceous ammonoids.
authors.affiliation: Department of Earth Sciences, Faculty of Education and Integrated Arts and Sciences, Waseda University, Shinjuku-ku, Tokyo 169-8050, Japan kmoriya@waseda.jp.
authors.forename: Kazuyoshi
authors.initials: K
authors.lastname: Moriya
mesh_terms: D000818:Animals; D005075:Biological Evolution; D049830:Cephalopoda / Q000737:chemistry*; D017753:Ecosystem; D005580:Fossils