Výsledky vyhledávání - "S. V. Rozhnov"

A New Hybocrinid Genus (Echinodermata, Crinoidea) from the Middle Ordovician of Ladoga Glint on the Volkhov River

Autor: S. V. Rozhnov, N. K. Semenov, S. S. Terentyev, G. V. Mirantsev

Publikováno v: Paleontological Journal. 55:54-63

The hybocrinid crinoid Trecrinus schmidti gen. et sp. nov. is described from the Middle Ordovician (Uhaku Regional Stage, Darriwilian) of the lower reaches of the Volkhov River. Three long arms in the A, D and C radii, and a low cup with a flattened

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cf4ed379e6c9190aeb112d87e3f0c86d
https://doi.org/10.1134/s0031030121010123

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Streptoiocrinus gen. nov. (Disparida, Crinoidea) from the Lower and Middle Ordovician of the Leningrad Region, and Fluctuating Asymmetry of Radial Symmetry

Autor: S. V. Rozhnov

Publikováno v: Paleontological Journal. 54:704-714

A crown of Streptoiocrinus gen. nov., with its articulated stem, the columnals of which have long been known in the Billingen and Volkhov regional stages (Floian and Dapingian stages) of the Leningrad Region and Estonia are described. A detailed stud

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4fa978f4b121c0158687895919933a1c
https://doi.org/10.1134/s0031030120070114

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Unbranched Holdfasts of Stemmed Echinoderms from the Ordovician of the Leningrad Region

Autor: S. V. Rozhnov, G. A. Anekeeva

Publikováno v: Paleontological Journal. 54:715-727

Based on examination of the collection of stemmed echinoderm holdfasts from the Ordovician of the Leningrad Region (Russia), all holdfasts are divided in two large groups: “unbranched” and “branched”. In total, 11 morphotypes of unbranched ho

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b9ec1b6d32614709c939a1a271638af1
https://doi.org/10.1134/s0031030120070023

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The Largest Expedition in the Practice of World Paleontological Science The 50th Anniversary of the Joint Russian‒Mongolian Paleontological Expedition

Autor: T. I. Yusupova, A. Yu. Rozanov, S. V. Rozhnov

Publikováno v: Herald of the Russian Academy of Sciences. 90:449-459

In this article the history of the Joint Russian‒Mongolian Paleontological Expedition (JRMPE) and its work and main results are described. The organization of the expedition (Soviet-Mongolian at that time) in 1969 was preceded by a hard and lengthy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3e06aa44d160d32a4117bc07694a5ea4
https://doi.org/10.1134/s1019331620040127

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First report of the mitrate Lagynocystis (Echinodermata: Stylophora) in the Ordovician of the Baltic paleobasin

Autor: S. V. Rozhnov, Sergey S. Terentiev, Georgy V. Mirantsev

Publikováno v: Zoosymposia. 15:115-122

Three incomplete thecae of the stylophoran Lagynocystis cf. pyramidalis (Barrande, 1887) are described from the Upper Ordovician of the Baltic Paleobasin for the first time. These specimens of Lagynocystis are the first records of this genus from the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e719e55f3a507587913757afa220ab5b
https://doi.org/10.11646/zoosymposia.15.1.13

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