Carboniferous conodont biostratigraphy of the Dianzishang section, Zhenning, Guizhou, South China

2013 ◽  
Vol 151 (2) ◽  
pp. 311-327 ◽  
Author(s):  
YUPING QI ◽  
KEYI HU ◽  
QIULAI WANG ◽  
WEI LIN
Keyword(s):  
South China ◽  
North American ◽  
Primitive Form ◽  
Conodont Biostratigraphy ◽  
The World ◽  
Kasimovian Stage ◽  
Moscovian Stage ◽  
Stage Boundaries ◽  
Serpukhovian Stage ◽  
Bashkirian Stage

AbstractA preliminary summary of the lower Visean to uppermost Moscovian (Carboniferous) conodont succession and biostratigraphy of the Dianzishang section in Zhenning, Guizhou, South China is presented. Eleven conodont zones, in ascending order, can be recognized:Gnathodus praebilineatus,Gnathodus bilineatus,Lochriea ziegleri,Declinognathodus noduliferus,Neognathodus symmetricus, ‘Streptognathodus’expansus(primitive form), ‘Streptognathodus’expansus,Mesogondolella donbassica – Mesogondolella clarki,Idiognathodus podolskensis,Swadelinafauna andIdiognathodus swadeizones. The first occurrences ofLochriea ziegleriat the base of the Serpukhovian Stage,Declinognathodus noduliferus noduliferusat the base of the Bashkirian Stage and ‘Streptognathodus’expansusat the base of the Moscovian Stage are recognized. The definitions of these stage boundaries, as well as that of the base of the Kasimovian Stage are discussed. Correlations with the Naqing section in South China, Russian and North American sections, as well as other important sections in the world, are considered.

Permian neogondolellids from south China: significance for evolution of the serrata and carinata groups in North America

1988 ◽  
Vol 62 (01) ◽  
pp. 132-138 ◽  
Author(s):  
David L. Clark ◽  
Wang Cheng-Yuan
Keyword(s):  
North America ◽  
North American ◽  
North American Species ◽  
Late Permian ◽  
The North ◽  
Worldwide Distribution ◽  
As Species ◽  
The World ◽  
Sudden Appearance ◽  
Stage Boundaries

TheNeogondolella serrata(Clark and Ethington) group was originally reported as a North American provincial conodont lineage. More or less complete Permian sequences now recognized in China include species originally thought to be part of the North American provincial fauna as well as species reported previously from other parts of the world. Comparison of Chinese and North American species may be useful in correlation of series and stage boundaries between the two areas. The Chinese conodont succession demonstrates that most Permian neogondolellids were not provincial but attained worldwide distribution. Late Permian ancestors of Early TriassicNeogondolellaspecies were apparently widespread in the Tethyan Sea and the sudden appearance of TriassicNeogondolellaspecies in North America without Permian ancestors is only the consequence of the absence of the latest Permian marine rocks in North America.Of particular regional stratigraphic interest is the occurrence of the North American speciesN. wilcoxiClark and Behnken in the Chinese late Guadalupian-Dzhulfian. This occurrence supports a late Guadalupian (post-Lamar) age for the uppermost Gerster Formation in Utah.

Calcareous foraminifers from the Bashkirian stratotype (Middle Carboniferous, south Urals) and their significance for intercontinental correlations and the evolution of the Fusulinidae

1988 ◽  
Vol 62 (3) ◽  
pp. 368-399 ◽  
Author(s):  
John R. Groves
Keyword(s):  
North American ◽  
Western Slope ◽  
South Urals ◽  
Foraminiferal Assemblage ◽  
Lower Carboniferous ◽  
The North ◽  
Middle Carboniferous ◽  
First Time ◽  
Serpukhovian Stage ◽  
Bashkirian Stage

The stratotype for the Bashkirian Stage of the Soviet Middle Carboniferous is located on the Askyn River in Gornaya Bashkiria (western slope of south Urals). Twenty-four rock samples, mostly from the lower part of the section, yielded abundant and diverse assemblages of calcareous foraminifers which are systematically described and illustrated here for the first time.The foraminiferal assemblage from the Siuransky Horizon at the base of the Bashkirian is essentially identical to that from the top of the underlying Lower Carboniferous Serpukhovian Stage. Thus, foraminifers do not provide a basis for identifying the Soviet Lower–Middle Carboniferous boundary. This notwithstanding, the presence of the foraminiferGlobivalvulina bulloides(Brady) (=G. moderataReitlinger) and the conodontIdiognathodus parvus(Dunn) in both the upper Serpukhovian and Bashkirian indicates that the base of the Bashkirian can be no older than medial to late Morrowan of the North American succession. The primitive fusulinidPseudostaffella(Pseudostaffella) appears at the bases of the lower Bashkirian Akavassky Horizon and the North American Atokan Series. The base of the Akavassky is interpreted to be somewhat older than early Atokan, however, becausePs.(Pseudostaffella) appeared in the Urals in phylogenetic continuity with its immediate ancestor, whereas in most of North America it was an immigrant.The type Bashkirian succession contains a seemingly complete phylogeny from advanced eostaffellids to primitive fusulinids.Plectostaffella jakhensis, immediate ancestor to the fusulinids, arose from a member of theEostaffella postmosquensisplexus in the late Serpukhovian.Plectostaffella jakhensis, in turn, gave rise toPs.(Semistaffella)variabilisin the early Bashkirian (late Siuransky), from which evolvedPs.(Ps.)antiquashortly thereafter (earliest Akavassky). An as yet unidentified but advanced species ofPs.(Pseudostaffella) is the most likely ancestor to late BashkirianNeostaffella ivanovi. The evolutionary series leading from theE. postmosquensisplexus to primitiveNeostaffellaapparently developed exclusively in the Eurasian–Arctic faunal realm, asPl. jakhensis, Ps.(Semistaffella)variabilis, andPs.(Ps.)antiquaare unknown in the Midcontinent–Andean region. DiversePs.(Pseudostaffella) spp. appeared in the latter area pursuant to an adaptive radiation aided by periodic interchange between faunal realms.

Is International Law International?

2017 ◽  
Author(s):  
Anthea Roberts ◽  
Martti Koskenniemi
Keyword(s):  
South China Sea ◽  
International Law ◽  
Case Studies ◽  
South China ◽  
Visual Representations ◽  
International Lawyer ◽  
Spheres Of Influence ◽  
Diverse Backgrounds ◽  
The World ◽  
Anglo American

Is International Law International? takes the reader on a sweeping tour of the international legal academy to reveal some of the patterns of difference, dominance, and disruption that belie international law’s claim to universality. Both revealing and challenging, confronting and engaging, this book is a must-read for any international lawyer, particularly in a world of shifting geopolitical power. Pulling back the curtain on the “divisible college of international lawyers,” the author shows how international lawyers in different states, regions, and geopolitical groupings are often subject to differences in their incoming influences and outgoing spheres of influence in ways that affect how they understand and approach international law, including with respect to contemporary controversies like Crimea and the South China Sea. Using case studies and visual representations, the author demonstrates how actors and materials from some states and groups have come to dominate certain transnational flows and forums in ways that make them disproportionately influential in constructing the “international”—a point which holds true for Western actors, materials, and approaches in general, and Anglo-American ones in particular. But these patterns are set for disruption. As the world moves past an era of Western dominance and toward greater multipolarity, it is imperative for international lawyers to understand the perspectives of those coming from diverse backgrounds. By taking readers on a comparative tour of different international law academies and textbooks, the author encourages international lawyers to see the world through others’ eyes—an approach that is pressing in a world of rising nationalism.

scholarly journals Regional North American Annual Meeting of the World Federation of Neurology – Research Group on Neuroepidemiology. Seattle, Wash., May 1, 2009

2009 ◽  
Vol 33 (1) ◽  
pp. 68-78
Author(s):  
Will Longstreth ◽  
Than Ton ◽  
Amethyst Leimpeter ◽  
Stephen K. Van Den Eeden
Keyword(s):  
Annual Meeting ◽  
North American ◽  
Research Group ◽  
World Federation ◽  
The World

Restudy of the Llandovery conodont biostratigraphy in the Xiushan area, Chongqing City, China

2016 ◽  
Vol 53 (7) ◽  
pp. 651-659
Author(s):  
Zhongyang Chen ◽  
Chengyuan Wang ◽  
Ru Fan
Keyword(s):  
South China ◽  
Main Part ◽  
Yangtze Platform ◽  
Conodont Biostratigraphy ◽  
Lower Member ◽  
Chongqing City

Previous studies of conodonts suggested that the upper member of the Xiushan Formation (late Llandovery) corresponds to the Pterospathodus eopennatus Superbiozone, but no data were obtained from the lower member in the Xiushan area. In this study, the entire Xiushan Formation was resampled from the Datianba section in the Xiushan area of Chongqing City on the Yangtze Platform in South China. In total, 40 samples were collected and processed. Fifteen of these samples contained identifiable conodont specimens. The present study indicates that the lower member and main part of the upper member of the Xiushan Formation correspond to the Pterospathodus eopennatus Superbiozone, while the top of the upper member probably correlates with the Pterospathodus celloni Superbiozone.

CYTOTAXONOMY, PHYLOGENY, AND CANADIAN DISTRIBUTION OF CIRSIUM UNDULATUM AND CIRSIUM FLODMANII

1961 ◽  
Vol 39 (1) ◽  
pp. 21-33 ◽  
Author(s):  
C. Frankton ◽  
R. J. Moore
Keyword(s):  
North American ◽  
Chromosome Numbers ◽  
World Wide ◽  
North American Species ◽  
Base Number ◽  
Total Length ◽  
The World ◽  
Cirsium Undulatum

The morphology and specific differences of Cirsium undulatum (Nutt.) Spreng. and of C. flodmanii (Rydb.) Arthur are described and their Canadian distributions are reported in detail. The chromosome numbers are C. undulatum f. undulatum and f. album Farwell, 2n = 26; C. flodmanii f. flodmanii and f. albiflorum D. Löve, 2n = 22. The origin of four North American species of Cirsium that do not follow the world-wide base number 17 is discussed; it is postulated that reduction in number has occurred by translocations. The chromosomes of species with reduced numbers are larger than those of the unreduced species but the total length of the chromosomes of both groups is approximately the same.

Tetranychus sinhai Baker (Acarina: Tetranychidae) a New Pest of Cereals — Varietal Reaction of Barley

1963 ◽  
Vol 95 (6) ◽  
pp. 588-596 ◽  
Author(s):  
R. N. Sinha ◽  
H. A. H. Wallace
Keyword(s):  
High Resistance ◽  
North American ◽  
Arid Regions ◽  
Lake Shore ◽  
The World ◽  
Moderately Resistant ◽  
Different Parts ◽  
New Pest ◽  
Prairie Provinces

AbstractTetranychus sinhai Baker (Acarina, Tetranychidae), a new pest was observed to infest barley, wheat, and rye crops in the Prairie Provinces of Canada. In barley, typical symptoms of the mite attack are manifested by a darkening of leaves, followed by yellowing and wilting from the bend of the leaf to its tip. The increase in number of mites per leaf was reflected by the showing of advanced symptoms on leaves. One hundred and sixty-five barley varieties from different parts of the world were examined for their reaction to T. sinhai infestation in the field. Of these 15 were found to be resistant, 47 moderately resistant, 88 moderately susceptible, and 15 susceptible. In general, the barley varieties grown in arid regions of the world appeared to be more resistant to T. sinhai infestation.The most commonly grown barley varieties in Canada, Parkland, and Montcalm, were moderately susceptible. Only two North American varieties, Canadian Lake Shore–C.I. 2750, and Gem C.I. 7243 showed high resistance to T. sinhai infestation.

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