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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Paleontological Journal</journal-id><journal-title-group><journal-title xml:lang="en">Paleontological Journal</journal-title><trans-title-group xml:lang="ru"><trans-title>Палеонтологический журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0031-031X</issn><issn publication-format="electronic">3034-5871</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">673305</article-id><article-id pub-id-type="doi">10.31857/S0031031X24020055</article-id><article-id pub-id-type="edn">FIEFLF</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Microstructure of the Valves of the Genus Praeoehlertella Mergl (Family Discinidae) from the Upper Devonian Deposits of Kazakhstan</article-title><trans-title-group xml:lang="ru"><trans-title>Микроструктура створок рода Praeoehlertella Mergl (семейство Discinidae) из верхнедевонских отложений Казахстана</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Smirnova</surname><given-names>T. N.</given-names></name><name xml:lang="ru"><surname>Смирнова</surname><given-names>Т. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>smirnovatatiana77@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gatovsky</surname><given-names>Yu. A.</given-names></name><name xml:lang="ru"><surname>Гатовский</surname><given-names>Ю. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ustas62@bk.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zhegallo</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Жегалло</surname><given-names>Е. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ezheg@paleo.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Lomonosov Moscow State University</institution></aff><aff><institution xml:lang="ru">Московский государственный университет имени М.В. Ломоносова</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Borissiak Paleontological Institute, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Палеонтологический институт им. А.А. Борисяка РАН</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-11-04" publication-format="electronic"><day>04</day><month>11</month><year>2024</year></pub-date><issue>2</issue><fpage>53</fpage><lpage>55</lpage><history><date date-type="received" iso-8601-date="2025-02-27"><day>27</day><month>02</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Российская академия наук</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/0031-031X/article/view/673305">https://journals.eco-vector.com/0031-031X/article/view/673305</self-uri><abstract xml:lang="en"><p>The shell microstructure of rarely discovered lingulate genus <italic>Praeoehlertella</italic> Mergl, 2001 was studied in detail. It was obtained in Famennian stage of Kazakhstan. The peculiarity of the microstructure the secondary granular layer was discovered. The prints of the cells of the inner epithelium of mantle were observed.</p></abstract><trans-abstract xml:lang="ru"><p>Детально изучена микроструктура раковины редко встречающегося рода лингулят Praeoehlertella Mergl, 2001, обнаруженного в фаменских отложениях Казахстана. Структура раковинного вещества изучалась под электронными сканирующими микроскопами в Палеонтологическом ин-те им. А.А. Борисяка РАН. Выявлены особенности строения вторичного гранулированного слоя. Обнаружены отпечатки клеток внутреннего эпителия мантии.</p></trans-abstract><kwd-group xml:lang="en"><kwd>the microstructure</kwd><kwd>granular microstructure</kwd><kwd>Famennian stage</kwd><kwd>the shell</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>лингуляты</kwd><kwd>Praeoehlertella</kwd><kwd>верхний девон</kwd><kwd>фамен</kwd><kwd>микроструктура</kwd><kwd>внутренний эпителий мантии</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Николаева С.В., Богословский Б.И. Девонские аммоноидеи: Климении (подотряд Clymeniina). М.: Наука, 2005. 220 с. (Тр. Палеонтол. ин-та РАН. Т. 287).</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Mergl M. Lingulate brachiopods of Silurian and Devonian of the Barrandian (Bohemia, Czech Republic) // Acta Mus. Nat. Pragae. Ser. B. Hist. Natur. 2001. V. 57. P. 1–49.</mixed-citation></ref></ref-list></back></article>
