Late Devonian plant communities of North Russia

Орлова, О. А.; Jurina, A. L.; Snigirevsky, S. M.

doi:10.1016/j.revpalbo.2015.08.009

Cited by 20 publications

(10 citation statements)

References 13 publications

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“…JB, the Jiamusi Block, is considered to be a part of the SXB. Localities of Archaeopteris: 1, Heihe, Heilongjiang, China(Cai, 1981; locality IX in Table3); 2, Sonid Zuoqi, Inner Mongolia, China (flag, this study); 3, Southeastern Altay, Russia(Gutak et al, 2011); 4, North Timan, Russia(Orlova et al, 2016); 5, Bear Island, Norway(Nathorst, 1902;Edwards and Berry, 1991); 6, Namur, Belgium (Fairon-Demaret and Leponce, 2001); 7, Kiltorcan Hill, Ireland(Dawson, 1871); 8, Ellesmere Island, Canada(Andrews et al, 1965); 9, New York, USA(Carluccio et al, 1966); 10, Pennsylvania, USA(Beck, 1971); 11, West Virginia, USA(Phillips et al, 1972); 12, Eastern Cordillera, Colombia(Berry et al, 2000); 13, Sierra de Perijá, Venezuela(Berry et al, 2000); 14, Eastern Anti-Atlas, Morocco(Meyer-Berthaud et al, 1999); 15, Eastern Cape, South Africa(Anderson et al, 1995); 16, Nanjing, Jiangsu, China(Wu et al, 1982); 17, Changyang, Hubei, China(Hao and Mei, 1987;Guo and Wang, 2011); 18, Chizhou, Anhui, China(Guo and Wang, 2009); 19, Xinhui, Guangdong, China(Cai et al, 1987); 20, New South Wales, Australia(Young, 2007;Meyer-Berthaud et al, 2016a). Localities of Melvillipteris: 2 (this study) and Melville Island, Canadian Arctic Archipelago(Xue and Basinger, 2016).…”

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confidence: 80%

“…The genus Archaeopteris has a worldwide distribution, mostly reported from the Upper Devonian of South China, North America, Europe, Morocco, Australia, South Africa, and Colombia (Fig. 17; Beck, 1960; Hao and Mei, 1987; Beck and Wight, 1988; Anderson et al, 1995; Cai and Wang, 1995; Meyer-Berthaud et al, 1999; Berry et al, 2000; Guo and Wang, 2009, 2011; Orlova et al, 2016), although there are also some Middle Devonian occurrences (Berry and Fairon-Demaret, 2001). Archaeopteris apparently became extinct at about the Devonian-Carboniferous boundary, and rare reports from the earliest Carboniferous remain to be verified (Fairon-Demaret, 1986; Scheckler, 1986).…”

Section: Discussionmentioning

confidence: 99%

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A new Late Devonian flora from Sonid Zuoqi, Inner Mongolia, northeastern China

Bai¹,

Huang²,

Yang³

et al. 2021

J. Paleontol.

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The Silurian and Devonian plant fossil record is the basis for our understanding of the early evolution of land plants, yet our appreciation of early global phytogeographic evolution has been constrained by the focus of most studies on deposits from Europe, North America, and, more recently, South China. Devonian plants have been recorded rarely from northeastern China, and among previous records, few plants have been illustrated and formally described. In this article, megafossil plants representing a Late Devonian-aged (probably Famennian) flora are described from a locality at northern Sonid Zuoqi, Inner Mongolia, NE China. The flora includes Melvillipteris sonidia new species, Archaeopteris sp., and fragments of some other plants. The new plant shows main axes and two orders of lateral branches. The first-order branches of this plant show a typical zigzag appearance and are borne in pairs on main axes. Second-order branches are straight or slightly flexed, and are borne helically or alternately on first-order branches. Sterile ultimate appendages and fertile structures of M. sonidia n. sp. are borne alternately on second-order branches. An associated palynological assemblage, as well as U-Pb ages of detrital zircon grains from adjacent horizons, are also reported, indicating a Late Devonian age in accord with the megafossil plants. The present study contributes to our appreciation of the Devonian floristic diversity of the Xing'an Block, and, through our review of the record of early vascular plants from NE China, more broadly to the understanding of the mid-latitude vegetation of the Northern Hemisphere during the Late Devonian.

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mentioning

confidence: 80%

Section: Discussionmentioning

confidence: 99%

A new Late Devonian flora from Sonid Zuoqi, Inner Mongolia, northeastern China

Bai¹,

Huang²,

Yang³

et al. 2021

J. Paleontol.

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“…The material studied was collected from several localities in North Timan, Russia (Orlova et al . 2016). Most specimens come from the Ust'bezmoshitsa Formation (upper Frasnian) exposed in the Suvojnyj area of the eastern coast of Cheshskaya Bay, between Suvojnyj Cape and Krestovyi Cape, and the Ludovatyj area of the same region between the East Ludovatyj Nos Cape and the mouth of the Velikaya River.…”

Section: Methodsmentioning

confidence: 99%

Kossoviella timanicaPetrosjan emend. from the Upper Devonian of North Timan: morphology and spore ultrastructure

Орлова

Zavialova

Snigirevsky

et al. 2017

Earth and Environmental Science Transactions of the Royal Socie

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The morphology of sterile and fertile structures (terminal strobili) of the Upper Devonian heterosporous lycopsid Kossoviella timanica Petrosjan 1984 from northern Russia (North Timan) is re-described: the axes are dichotomously branched; sterile leaves are narrow with smooth margins; the transition from sterile axes to strobili is gradual; the strobili are narrow and cylindrical, occasionally dichotomously branched; sporophylls are long, lanceolate, with crenulated margins; megasporangia with thin, mostly destroyed, sporangium walls contain one or two tetrads of large megaspores without a gula; numerous microspore tetrads are present in the microsporangia; both mega- and microspores are cavate, with a two-layered sporoderm; the outer layer of the sporoderm of both mega- and microspores consists of a net of intertwined cylindrical elements; the inner layer of the megaspore sporoderm is a basal lamina; and the inner homogeneous layer of the microspore sporoderm is split into multilamellate zones near the arms of the proximal scar. A comparison between abortive and fertile megaspores, some of which apparently were not completely mature, allows us to hypothesise that the enlargement and lateral stretching of structural units of the sporoderm, and the spaces between them, took place during the final stages of ontogenesis of megaspores along with the additional accumulation of amorphous sporopollenin. Both layers of the megaspore sporoderm, as well as the cavity between them, developed early in the ontogenesis. Although Kossoviella timanica was certainly a unique Late Devonian plant, it bears some resemblance to the Givetian heterosporous, bisporangiate lycopsid Yuguangia ordinata in having dichotomously branching axes, sporophylls with spiny margins and strobili with proximal megasporangia and distal microsporangia. Kossoviella timanica is also similar to the Famennian bisporangiate lycopsid Bisporangiostrobus harrisii in lacking a ligula and in having dichotomously branching strobili with proximal megasporangia and distal microsporangia.

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“…В âåрõíåдåâîíñêèõ îòëîжåíèяõ Сåâåрíîгî Òèмàíà èñêîпàåмыå îñòàòêè рàñòåíèй îáèëьíы è âñòрå÷àюòñя âî âñåõ îáñóждàåмыõ â íàñòîящåй ñòàòьå ñòрàòîíàõ. Спèñî÷íый ñîñòàâ èõ âèдîâ рàíåå íåîдíîêрàòíî пóáëèêîâàëñя [25,45]. Сîгëàñíî íàшèм пîñëåдíèм дàííым, êîмпëåêñ îñòàòêîâ èñêîпàåмыõ рàñòåíèй óñòьáåçмîшèцêîй ñâèòы прåдñòàâëåí 29, êàмåíñêîй ñâèòы -6, à пîêàямñêîй -12 âèдàмè.…”

Section: фитофоссилииunclassified

The Upper Devonian delta plain deposits of North Timan

Beznosov¹,

Snigirevsky²,

Naugolnykh³

et al. 2018

Vestnik IG KomiSC

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1 Иíñòèòóò гåîëîгèè Êîмè ÍЦ УрÎ РÀÍ, Сыêòыâêàр; 2 СПáÃУ, Сàíêò-Пåòåрáóрг 3 ÃИÍ РÀÍ, Ìîñêâà; 4 Êàçàíñêèй фåдåрàëьíый óí-ò, Êàçàíь 5 Лàòâèйñêèй óí-ò, Рèгà, Лàòâèя Beznosov@geo.komisc.ru В ñòàòьå пðèвîдяòñя пðåдвàðèòåëьíыå ðåзóëьòàòы пîëåвых èññëåдîвàíèй ðàзðåзîв вåðхíåãî дåвîíà юãî-зàпàдíîй ÷àñòè Сåвåðíîãî Тèìàíà. Дàåòñя хàðàкòåðèñòèкà ëèòîëîãè÷åñкèх îñîбåííîñòåй, пàëåîпî÷вåííых пðîфèëåй, кîìпëåкñîв èхíîфîññèëèй, ñîîбщåñòв ðàñòåíèй è пîзвîíî÷íых óñòьбåзìîшèöкîй, кàìåíñкîй è пîкàяìñкîй ñвèò. Îбñóждàюòñя фàöèàëьíыå óñëîвèя фîðìèðîвàíèя è дåëьòîвàя пðèðîдà èññëåдîвàííых îòëîжåíèй. Ключевые слова: äåвîí, äåльтîвàя ðàвíèíà, лèтîлîгèя, пàлåîпî÷вы, èхíîôîссèлèè, èскîпàåìыå ðàстåíèя, óглè, èскîпàåìыå пîçвîíî÷íыå, Сåвåðíый Тèìàí.the upper devonian delta plain deposits of north timan Preliminary results of the field studies of the Upper Devonian deposits from the south-western part of North Timan are presented. Lithological peculiarities, paleosol profiles, ichnofossil associations, plant and vertebrate communities of the Ust'-Bezmoshitsa, Kamenny and Pokayama Formations are characterized. Facial conditions and deltaic environments of formation of the studied deposits are discussed.

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Late Devonian plant communities of North Russia

Cited by 20 publications

References 13 publications

A new Late Devonian flora from Sonid Zuoqi, Inner Mongolia, northeastern China

A new Late Devonian flora from Sonid Zuoqi, Inner Mongolia, northeastern China

Kossoviella timanicaPetrosjan emend. from the Upper Devonian of North Timan: morphology and spore ultrastructure

The Upper Devonian delta plain deposits of North Timan

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