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      THE RUSSIAN PLATFORM AS A KEY REGION FOR VOLGIAN/TITHONIAN CORRELATION: A REVIEW OF THE MEDITERRANEAN FAUNAL ELEMENTS AND AMMONITE BIOSTRATIGRAPHY OF THE VOLGIAN STAGE

      Rivista Italiana di Paleontologia e Stratigrafia

      Università degli Studi di Milano

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          Abstract

          <p class="abstract-testo">A review of the ammonite faunas and biostratigraphy of the uppermost Kimmeridgian - lowermost Middle Volgian of Central Russia is presented. The major role of the Sub-mediterranean ammonites in the Volgian assemblages is described, providing additional detail to the existing scheme of Tithonian-Volgian correlations. The base of the Tithonian and the base of the Volgian are coincident, based on the association of <em>Neochetoceras steraspis-Lingulaticeras solenoides</em>. The Klimovi Zone corresponds to most of the Hybonotum Zone. However, the top of the Hybonotum Zone, based on the distribution of <em>Paralingulaticeras</em>, falls within the Sokolovi Zone. The allocation of a Tenuicostata Subzone (with two horizons: <em>neoburgense</em> and <em>puschi</em>) in the Pseudoscythica Zone is proven. The <em>neoburgense</em> horizon may be correlated with the <em>ciliata</em> and <em>penicillatum</em> horizons of Neuburg and, probably, with the Semiforme Zone. The findings of <em>Lingulaticeras blaschkei</em>, <em>Pseudolissoceras,</em> and <em>Sutneria</em> in the Panderi Zone of the Middle Tithonian suggest that the base of the Middle Volgian may not be younger than the Middle Tithonian Fallauxi Zone.</p><p class="abstract-testo"></p>

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          Author and article information

          Journal
          Rivista Italiana di Paleontologia e Stratigrafia
          Università degli Studi di Milano
          01 March 2004
          : 110
          : 1
          57d404a2b1a44b2c9cde9b9496159181
          10.13130/2039-4942/6305

          RIPS is published under a Creative Commons Attribution-NonCommercial-NoDerivatives Licence 4.0 International (CC BY-NC-ND 4.0). The journal allows the author(s) to hold the copyright without restrictions. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc-nd/4.0/

          Categories
          Geology
          QE1-996.5
          Paleontology
          QE701-760

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