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The new GSSP for the base of the Bathonian is actually Ravin du Bès, Bas-Auran area, Alpes de Haute Provence, France; it absolutely was ratified in ’09. The bottom of the newest Bajocian is scheduled by the first appearance of your own ammonite Hyperlioceras mundum. The newest GSSP to the root of the Bajocian is found in the brand new Murtinheira point in the Cabo Mondego, Portugal; it was ratified inside 1997. (mais…)
