Pliensbachian/Toarcian boundary: the proposed GSSP of Peniche (Portugal) Journal title: Volumina Jurassica Authors: Serge ELMI Subject(s):
[b]A precise ammonite biostratigraphy through the Kimmeridgian-Volgian boundary beds in the Gorodischi section (Middle Volga area, Russia), and the base of the Volgian Stage in its type area[/b] Journal title: Volumina Jurassica Authors: Mikhail ROGOV Subject(s):
