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The 6th Kilian Group meeting of the IUGS Lower Cretaceous Ammonite Working Group (the Kilian Group) was held in Vienna, Austria, 20th August 2017. The Group mainly discussed the standard zonation that is suitable for and based mainly on ammonite data of the Mediterranean Province of the Mediterranean–Caucasian Subrealm (Tethyan Realm). Some changes have been made on three stages. The uppermost part...
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