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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">geolmsu</journal-id><journal-title-group><journal-title xml:lang="ru">ВЕСТНИК МОСКОВСКОГО УНИВЕРСИТЕТА. СЕРИЯ 4. ГЕОЛОГИЯ</journal-title><trans-title-group xml:lang="en"><trans-title>Moscow University Bulletin. Series 4. Geology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0579-9406</issn><publisher><publisher-name>Издательский Дом МГУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.55959/MSU0579-9406-4-2026-65-1-29-34</article-id><article-id custom-type="elpub" pub-id-type="custom">geolmsu-882</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Статьи</subject></subj-group></article-categories><title-group><article-title>О биостратиграфическом расчленении турон-коньякских отложений Восточного Перитетиса</article-title><trans-title-group xml:lang="en"><trans-title>On biostratigraphic subdivision of the Turonian and Coniacian succession in the Eastern Peritethys</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Копаевич</surname><given-names>Л. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Kopaevich</surname><given-names>L. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Людмила Федоровна Копаевич </p><p>Москва</p></bio><bio xml:lang="en"><p>Ludmila F. Kopaevich </p><p>Moscow </p></bio><email xlink:type="simple">lfkopaevich@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бордунов</surname><given-names>С. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Bordunov</surname><given-names>S. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергей Иванович Бордунов </p><p>Москва</p></bio><bio xml:lang="en"><p>Sergey I. Bordunov </p><p>Moscow </p></bio><email xlink:type="simple">sib-msu@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Яковишина</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Yakovishina</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Васильевна Яковишина </p><p>Москва</p></bio><bio xml:lang="en"><p>Elena V. Yakovishina </p><p>Moscow </p></bio><email xlink:type="simple">yakovishina@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Габдуллин</surname><given-names>Р. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Gabdullin</surname><given-names>R. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Руслан Рустемович Габдуллин </p><p>Москва</p></bio><bio xml:lang="en"><p>Ruslan R. Gabdullin </p><p>Moscow </p></bio><email xlink:type="simple">gabdullin@geokhi.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Латыпова</surname><given-names>М. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Latypova</surname><given-names>М. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Маргарита Рубеновна Латыпова </p><p>Москва</p></bio><bio xml:lang="en"><p>Мargarita R. Latypova </p><p>Moscow </p></bio><email xlink:type="simple">margarita.r.latypova@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский государственный университет имени М.В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lomonosov Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Московский государственный университет имени М.В. Ломоносова ; Геологический институт РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lomonosov Moscow State University ; Geological Institute RAS</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Московский государственный университет имени М.В. Ломоносова ; Московский Институт геохимии и аналитической химии имени В.И. Вернадского РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lomonosov Moscow State University ; Vernadsky Institute of Geochemistry and Analytical Chemistry RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>07</day><month>03</month><year>2026</year></pub-date><volume>65</volume><issue>1</issue><fpage>29</fpage><lpage>34</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Копаевич Л.Ф., Бордунов С.И., Яковишина Е.В., Габдуллин Р.Р., Латыпова М.Р., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Копаевич Л.Ф., Бордунов С.И., Яковишина Е.В., Габдуллин Р.Р., Латыпова М.Р.</copyright-holder><copyright-holder xml:lang="en">Kopaevich L.F., Bordunov S.I., Yakovishina E.V., Gabdullin R.R., Latypova М.R.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://vestnik.geol.msu.ru/jour/article/view/882">https://vestnik.geol.msu.ru/jour/article/view/882</self-uri><abstract><p>Приведены результаты биостратиграфических исследований турон-коньякских отложений, имеющих широкое распространение в восточном Перитетисе. Несмотря на хорошую изученность этих отложений, вопросы стратиграфического расчленения остаются до сих пор недостаточно проработанными. Рассмотрены вопросы смены сообществ фораминифер в этом интервале и их значение в зональном расчленении.</p></abstract><trans-abstract xml:lang="en"><p>The results of biostratigraphic investigations of the Turonian-Coniacian deposits, which are widespread in the eastern Perithetys, are presented. Despite the well-studied nature of these deposits, the issues of stratigraphic subdivision remain insufficiently understanded. The issues of changing foraminifera assemblages in this interval and their significance in the zonal subdivision are considered.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Перитетис</kwd><kwd>мел</kwd><kwd>турон</kwd><kwd>коньяк</kwd><kwd>фораминиферы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Peritethys</kwd><kwd>Cretaceous</kwd><kwd>Turonian</kwd><kwd>Coniacian</kwd><kwd>foraminifera</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при поддержке гранта РНФ № 24-27-00139.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Александрова Г.Н, Беньямовский В.Н, Вишневская В.С, Застрожнов А.С. Новые данные по биостратиграфии верхнего мела Нижнего Поволжья // Cтратигр., Геол. коррел. 2012. Т. 20, № 5. 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