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EVOLUTIONARY LINES OF DEVELOPMENT OF THE GENUS JAKUTOPRODUCTUS IN THE VERKHOYANSK REGION
Abstract
Based on the analysis of morphogenetic transformations of shells of the brachiopods, a scheme of phylogenetic development of the genus Jakutoproductus was developed; according to this scheme, three phylogenetic branches of Jakutoproductus, originating from one species - Jakutoproductus tatjanae Abramov et Grigorjeva, developed simultaneously at the end of the Carboniferous and in the Early Permian. In the morphogenesis of the genus, there are changes in the width of the shell, the degree of convexity of the ventral valve, the distinct manifestation of the sinus, and changes in the number of pustules on the ventral valve, weakening or strengthening of concentric rugae, a decrease in the number and disappearance of straight spines with ring ridges at the base in the anterior part of the ventral valve. Identification of the features of morphological transformations in species taxa of the genus Jakutoproductus allowed us to develop a new zonal scale of the Asselian-Sakmarian deposits of the Verkhoyansk Region and make fundamental refinements in the correlation of the Lower Permian of the Eastern Siberia.
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Abramov B.S., Biostratigraphy of the Carboniferous deposits of Sette-Daban, Southern Verkhoyansk Region, Moscow: Nauka, 1970, 178 pp.
Ganelin V.G., The Main Features of the Stratigraphy of the Permian System of USSR // Tr. Vses. Nauchno-Issled. Geol. Inst. (VSEGEI), vol. 286, Leningrad: Nedra, 1984, pp. 111–123.
Ganelin V.G., The genus Jakutoproductus Kaschirzew (Brachiopoda) from the northeastern USSR // Ezhegodn. Vsesoyuzn. Paleontol. Ob-va, 1991, vol. 34, pp. 41–62.
Ganelin V.G., Biakov A.S. and Karavaeva N.I., Some theoretical problems of stratigraphy and the Permian stratigraphic scale of northeastern Asia // Puti detalizatsii stratigraficheskikh skhem i paleogeograficheskikh rekonstruktsii, Moscow: GEOS, 2001, pp. 194–209.
Kaschirzew A.S., Field Atlas of the Fauna from the Permian deposits of the Northeastern USSR, Moscow: Akad. Nauk SSSR, 1959b, 174 pp.
Klets A.G., Upper Paleozoic of the Marginal Seas of Angarida. Novosibirsk: Akad. Izd. “GEO”, 2005, 241 pp.
Kotlyar G.V. and Popeko L.I., Biostratigraphy, bryozoans and brachiopods of the Upper Paleozoic Transbaikalian Region // Zap. Zabaik. Fil. Geogr. Ob-va SSSR, 1967, vol. 28, 324 pp.
Makoshin V.I., New Species of Jakutoproductus from the Lower Permian of Verkhoyansk Region // Paleontological Journal, 2016, vol. 50, N. 5, pp. 463–470.
Makoshin V.I. and Kutygin R.V., Asselian-Sakmarian (Lower Permian) Brachiopod Zonation of the Verkhoyansk Region (North-East Russia), Stratigr. Geol. Correl., 2020, no. 4 (in press).
Resolutions of the 3rd Interdepartmental Regional Stratigraphic Conference Devoted to Precambrian, Paleozoic, and Mesozoic of the Northeastern Russia (St. Petersburg, 2002). St. Petersburg: Vseross. Nauchno-Issled. Geol. Inst., 2009, 268 pp.
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