The evolution of Late Callovian to Early Kimmeridgian foraminiferal associations from the central part of the Russian Sea (Makar'yev section, Volga River Basin, Russia)

Colpaert, Clémentine; Nikitenko, B.L.; Khafaeva, S.N.; Wall, Alexander F.

doi:10.1016/j.palaeo.2016.03.014

Cited by 13 publications

(5 citation statements)

References 16 publications

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“…Specifically, a marked transgression, beginning in the late Callovian and continuing until the Kimmeridgian (Dadlez et al, 1998), resulted in the appearance of widespread epicontinental seas, which communicated with the Tethys covering much of Europe, as well as in climate warming. Mediterranean ammonites began to be found instead of boreal taxa in the Oxfordian strata of the Polish Jura (Dąbrowska, 1973), and this was simultaneous with with the first occurrence of typical Tethyan foraminifera (C. helvetojurassica and G. balakhmatovae) which were recorded in our studies in the Oxfordian of Stare Gliny. In general, in the Oxfordian, planktic foraminifera (G. oxfordiana) expanded to the northern margins of the Polish Basin ( Fig.…”

Section: Distribution Of Jurassic Planktonic Foraminifera In Extra-casupporting

confidence: 71%

“…Excellently preserved G. oxfordiana specimens are recorded from lower Oxfordian dark clay-and siltstones of Lithuanian boreholes (Grigelis, 1958) and middle to late Oxfordian strata of central Russia (Grigelis, 1977;Gradstein et al, 2017a). The abundance of planktonic foraminifera in the Russian Sea (Makar'yev section, Volga River Basin, Russia) during the middle Oxfordian is related to palaeogeographical changes, such as sea level highstands associated with the opening of the pathway connecting the northern Tethys with the Boreal realm (Colpaert et al, 2016). Moreover, it was in the Oxfordian that planktic foraminifera expanded northwards; G. oxfordiana has been recorded from lower Oxfordian strata of Sweden (Gorbachik and Kuznetsova, 1983).…”

Section: Distribution Of Jurassic Planktonic Foraminifera In Extra-camentioning

confidence: 99%

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Jurassic planktic foraminifera from the Polish Basin

Gajewska

Dubicka

Hart

2021

J. Micropalaeontol.

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Abstract. Jurassic (Bathonian–Oxfordian) planktic foraminifera from the epicontinental strata of the Polish Basin have been investigated. The palaeoecology, palaeobiogeography, and biostratigraphical potential of the recorded taxa are discussed. Four species are recorded: Conoglobigerina helvetojurassica (Haeusler, 1881), Globuligerina balakhmatovae (Morozova, 1961), G. bathoniana (Pazdrowa, 1969), and G. oxfordiana (Grigelis, 1958). This assemblage is probably the most diverse of those described to date from the epicontinental areas of Europe. The recorded taxa are thought to represent three different ecological morphotypes. The clear relationship between transgressive–regressive facies and the palaeobiogeography of the recorded planktic foraminifera indicates a morphotype-related depth–distribution pattern in which small, simple, globular-chambered morphotypes occupied shallow waters whereas slightly larger, more complex forms, or those with hemispherical chambers, inhabited deeper and more open-water environments.

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Section: Distribution Of Jurassic Planktonic Foraminifera In Extra-casupporting

confidence: 71%

Section: Distribution Of Jurassic Planktonic Foraminifera In Extra-camentioning

confidence: 99%

Jurassic planktic foraminifera from the Polish Basin

Gajewska

Dubicka

Hart

2021

J. Micropalaeontol.

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“…The studied specimens of the genus Pseudolamarckina (Mjatljuk, 1959) are derived from four different sampling levels ( Fig. 1), as follows: (1) Representing the Lower Kimmeridgian ammonite Cymodoce Zone is the Makar'yev Section (S1) in Kostroma district, central European Russia (East European Platform) (Colpaert et al 2016;. 2Representing the Upper Kimmeridgian ammonite Eudoxus-Autissiodorensis zones is the Gorodishche Section (S2) in Yl'yanovsk district, central European Russia (East European Platform) (Colpaert, Pestchevitskaya et al 2017).…”

Section: Methodsmentioning

confidence: 99%

“…Later analyses of the material from the central part of European Russia have shown that the first appearance data of the species P. pseudorjasanensis have to be extended to the uppermost Lower Kimmeridgian (Nikitenko 2009;Mitta et al 2012;Colpaert et al 2016;, where the first changes in the composition of the zonal assemblage were also defined (Fig. 7).…”

Section: Biostratigraphymentioning

confidence: 98%

Pseudolamarckina pseudorjasanensis Dain, 1967 (Foraminifera) as a Kimmeridgian marker species and its significance for biostratigraphy, palaeoecology and palaeobiogeography

Colpaert

Nikitenko

2019

Polar Research

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This study presents a taxonomical review of the species Pseudolamarckina pseudorjasanensis Dain, 1967 collected at different sampling levels from the central and northern parts of European Russia and from Western Siberia. Morphological and biometrical analyses show that P. pseudorjasanensis is characterized by wide intraspecific variabilities and may encompass various previously described Kimmeridgian species of the genus Pseudolamarckina. The first appearance of P. pseudorjasanensis is recorded from the latest Early Kimmeridgian of sub-Mediterranean to Arctic regions. Furthermore, P. pseudorjasanensis appears to be the marker species of the foraminiferal JF41 Zone in Kimmeridgian sections of sub-boreal, boreal and Arctic regions. This JF41 Zone is particularly significant for interregional correlations. Finally, P. pseudorjasanensis was widespread across the Kimmeridgian basins of the Northern Hemisphere and was associated with environments predominantly located in the middle sublittoral zone.

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“…The clumped isotope data are in line with increasing provincialism of cephalopod faunas in the area of the Russian Platform during the Oxfordian-Kimmeridgian transition and gradual retreat of deepwater ostracod and planktic foraminifera (cf. [253,[382][383][384][385][386]). The clumped isotope data contradict earlier theories of global cooling at the Middle-Late Jurassic transition and subsequent warming, which were largely documented based on Russian belemnite δ 18 O data (cf.…”

Section: Clumped Isotopesmentioning

confidence: 99%

Advances and Challenges in Palaeoenvironmental Studies Based on Oxygen Isotope Composition of Skeletal Carbonates and Phosphates

Wierzbowski

2021

Geosciences

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Oxygen isotopes are widely used in palaeoenvironmental and palaeoclimatic studies as they record variations in the precipitation temperature of biogenic carbonates and phosphates. Problems associated with the preservation state of fossils, selection of the proper temperature equation, vital effects occurring during biomineralization, habitat effects of organisms as well as salinity, bathymetry and water circulation changes limit, however, the applicability of oxygen isotopes to reconstruction of ancient environmental settings. The progress of oxygen isotope studies, temperature calculations and ambiguities of the isotope record are discussed in this paper. The same applies to the methods of retrieving reliable temperature signals and the record of water chemistry changes based on well-preserved calcareous and phosphatic fossils. Sometimes neglected importance of sedimentological and faunistic data associated with sea-level changes and salinity variations is emphasised as an important tool for refinement of the temperature trends of epeiric sedimentary basins. In addition, published case datasets and new laboratory techniques, including micro-area and clumped isotope analyses, are presented to demonstrate examples and prospective ways of extension of the scope of palaeoenvironmental research. The provided information may be used in discussion and a critical review of published oxygen isotope data and their palaeoenvironmental interpretations.

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The evolution of Late Callovian to Early Kimmeridgian foraminiferal associations from the central part of the Russian Sea (Makar'yev section, Volga River Basin, Russia)

Cited by 13 publications

References 16 publications

Jurassic planktic foraminifera from the Polish Basin

Jurassic planktic foraminifera from the Polish Basin

Pseudolamarckina pseudorjasanensis Dain, 1967 (Foraminifera) as a Kimmeridgian marker species and its significance for biostratigraphy, palaeoecology and palaeobiogeography

Advances and Challenges in Palaeoenvironmental Studies Based on Oxygen Isotope Composition of Skeletal Carbonates and Phosphates

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