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Palaeogene fossil Populus leaves from Lanzhou Basin and their palaeoclimatic significance

Chinese Science Bulletin 2004年第14期49卷 1494-1501页

作者： SUN Bainian1,2, YAN Defei1, XIE Sanping1, CONG Peiyun1, XIN Cunlin1 & YUN Fei1 1. key laboratory of Western china抯 Environmental Systems of the Ministry of Education, Lanzhou University, Lanzhou 73.000, china 2. state key laboratory of Palaeobiology and stratigraphy, nanjing institute of geology and palaeontology, Chinese Academy of Sci-ences, nanjing 2.0008, china key laboratory of Western china''s Environmental Systems of the Ministry of Education Lanzhou University Lanzhou 730000 China state key laboratory of Palaeobiology and {3. Nanjing Institute of Geology and Palaeontolog Chinese Academy of Sci- ences Nanjing 210008 China

An angiosperm compression flora is found in Palaeogene from Lanzhou Basin and the cuticular analysis of Populus davidiana Dode in the flora is carefully made. Fur-thermore, the fossil cuticles are compared with the epidermal structures of extant Populus leaves growing in different en-vironments, i.e. moist, semimoist, and semiarid to arid cli-matic regions. The present experiments indicate that mature leaves of P. davidiana show leaf size from big to small, leaf cuticles from thick to thin and anticlinal walls of epidermal cells from faintness to clarity along with the increase of lati-tudes of the plant distributions, the climatic variation from moist to arid, the annual precipitation from more to less and the annual mean temperature from high to low. The fossil P. davidiana differs from the specimens collected from Shandan in semiarid to arid climatic regions but closely resembles the Wushan leaves in a semi-moist climatic area in a lot of fea-tures. In a word, the new research may reflect that the flora lives in a semi-moist climatic environment. The present dis-covery of compression of Paleogene Populus davidiana is of great significance to studying vegetation types, climatic and environmental changes during the primal uplifting of the Qinghai-Tibet Plateau.

关键词：古气候兰州盆地山杨化石角质层早第三纪被子植物

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Anatomical variations of living and fossil Liquidambar leaves:A proxy for paleoenvironmental reconstruction

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Science china Earth Sciences 2011年第4期54卷 493-508页

作者： XIAO Liang 1,2,3.4,SUN BaiNian 1,2,,LI XiangChuan 1,REN WenXiu 1 &JIA Hui 1 1 key laboratory of Western china's Environmental Systems of the Ministry of Education and College of Earth and Environment Science,Lanzhou University,Lanzhou 73.000,{3. 2 state key laboratory of Palaeobiology and stratigraphy,nanjing institute of geology and palaeontology,Chinese Academy of Sciences,nanjing {13.,{3. 3.College of Arts and Sciences,Bryant University,Smithfield RI 02917,U.S.A. 4 key laboratory of Western china's Mineral Resources and Geological Engineering of Ministry of Education,Chang’an University,Xi’an 710054,{3. 1. key laboratory of Western china’s Environmental Systems of the Ministry of Education and College of Earth and Environment Science Lanzhou University Lanzhou 730000 China2. State Key Laboratory of Palaeobiology and Stratigraphy Nanjing Institute of Geology and Palaeontology Chinese Academy of Sciences Nanjing 210008 China3. College of Arts and Sciences Bryant University Smithfield RI 02917 USA4. Key Laboratory of Western China’s Mineral Resources and Geological Engineering of Ministry of Education Chang’an University Xi’an 710054 China

Based on living ***,we have established that such epidermal cell properties as epidermal cell circumference(Circum.) ,undulation index(UI) ,epidermal cell area(EA) on both upper and lower epidermis and the corresponding epidermal cell density(ED) ,are suitable to differentiate between sun and shade ***,stomatal properties on the lower epidermis,including stomatal length(SL) ,stomatal pore length(PL) and the corresponding stomatal density(SD) ,are reliable parameters to identify sun/shade *** this anatomical approach was applied to 18 leaf remains of *** from the Miocene Xiannanshan Formation,Zhejiang Province(eastern china) ,and the fossil leaves were sorted into two groups,namely,sun and shade *** indicates that anatomical differences between sun and shade leaves found in living species could be used for fossil ***,the variation of UI between sun and shade morphotypes is larger on the upper epidermis as compared with the lower epidermis,showing that the UI on the upper epidermis is more sensitive to environmental *** addition,anatomical features are more variable in sun leaves than in shade leaves for both modern and fossil Liquidambar,suggesting sun leaves may be more sensitive to environmental *** leaves can then be a better indicator of paleoenvironmental ***,stomatal parameters of sun morphotype should be adopted on reconstructing paleoenvironments using Liquidambar leaf *** the other hand,the three-lobed fossil *** leaf assemblage in the Xiananshan Formation is represented by an almost similar percentage of sun and shade morphotypes(56%and 44%,respectively) ,which is attributed to the short transport before *** a result,identifying sun/shade morphotypes are very useful in reconstructing paleoenvironments based on fossil leaves of Liquidambar.

关键词： Liquidambar formosana Liquidambar miosinica leaf anatomy the Miocene Xiananshan Formation sun and shade leaves

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The great Ordovician radiation of marine life: Examples from South china

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Progress in Natural Science:Materials International 2008年第1期18卷 1-12页

作者： Renbin Zhan a,*, Jisuo Jin b, Yuandong Zhang a, Wenwei Yuan a a state key laboratory of Palaeobiology and {3., nanjing institute of geology and palaeontology, Chinese Academy of Sciences, nanjing 2.0008, china b Department of Earth Sciences, University of Western Ontario, London Ont., Canada N6A 5B7 state key laboratory of Palaeobiology and {3. Nanjing Institute of Geology and Palaeontology Chinese Academy of Sciences Nanjing 210008 China Department of Earth Sciences University of Western Ontario London Ont. Canada N6A 5B7

The Ordovician radiation is the earliest and most important biodiversification event in the evolution of the Paleozoic Evolutionary Fauna (PEF), when the basic framework of PEF was established. The radiation underwent a gradual, protracted process spanning more than 40 million years and was marked by several diversity maxima of the PEF. Case studies conducted on the Upper Yangtze Platform (South china Palaeoplate) showed that the Ordovician radiation was characterized by drastic increases in a- and b-diversity in various groups of organisms. During the radiation, brachiopods, trilobites, and graptolites of the PEF became more diverse to dominate over the Cambrian Evolutionary Fauna (CEF) in all marine environments. At either global or regional scales, however, the Ordovician radiation was highly heterogeneous in time and space, and the rate and pattern of radiation exhibited by difierent major fossil groups were also variable.

关键词： Ordovician radiation Paleozoic Evolutionary Fauna a-diversity b-diversity Upper Yangtze Platform

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RADIATION OF THE FUSULINOIDEANS BETWEEN THE TWO PHASES OF THE END-PERMIAN MASS EXTINCTION, SOUTH china

RADIATION OF THE FUSULINOIDEANS BETWEEN THE TWO PHASES OF TH...

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第二届国际古生物学大会

作者： Yue WANG, Yugan JIN state key laboratory of Palaeobiology and {3., nanjing institute of geology and palaeontology, Chinese Academy of Sciences, nanjing 2.0008, china.

The end-Permian mass extinction is one of the largest bioevents in geological history. The benthic groups such as fusulinids, corals and bryozoans, nevertheless, suffered most severely at the end of the Guadalupian, which was regarded as the first phase of the event. As a consequence of the pre-Lopingian global regression, the large-scale carbonate platforms that used to be the habitats for the endemic benthos fauna disappeared in the peri-Pangean region, and the relic shelves in the Palaeotethys also disappeared.

关键词： Fusulinoideans radiation Late Permian South china

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GRAPTOLITES OF THE DIDYMOGRAPTUS (CORYMBOGRAPTUS) DEFLEXUS ZONE FROM HUANGNITANG, CHANGSHAN, ZHEJIANG

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古生物学报 2003年第4期 485-491页

作者： CHEN Xu 1) , XU Hong Gen 2) , YU Guo Hua 2) and WANG Long Wu 2) 1) nanjing institute of geology and palaeontology, the Chinese Academy of Sciences, state key {3. of Palaeobiology and stratigraphy, nanjing 2.0008 2) Zhejiang Regional Geological Survey, Hangzhou 3.1201

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THE UNIQUE GENUS PALAEONTINODES (INSECTA, HEMIPTERA,PALAEONTINIDAE) FROM DAOHUGOU AND ADJACENT REGION:SYSTEMATICS, INDIVIDUAL ABERRATION AND TAPHONOMY

THE UNIQUE GENUS PALAEONTINODES (INSECTA, HEMIPTERA,PALAEONT...

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第二届国际古生物学大会

作者： Bo WANG, Haichun ZHANG, Yan FANG state key laboratory of Palaeobiology and {3., nanjing institute of geology and palaeontology, Chinese Academy of Sciences, nanjing 2.0008, china.

The extinct family Palaeontinidae comprises more than thirty genera. However, none of them was erected on the basis of both a complete forewing and hindwing. Very recently, more than three hundred palaeontinid specimens have been discovered from Daohugou and adjacent regions. About half of them are attributed to Palaeontinodes, comprising five new species. Strange-

关键词： Palaeontinidae individual aberration convergence taphonomy

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Male spike strobiles with Gnetum affinity from the Early Cretaceous in western Liaoning,Northeast china

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Journal of Systematics and Evolution 2009年第2期47卷 93-102页

作者： 1,2Shuang-Xing GUO 3.in-Geng SHA 4Li-Zeng BIAN 5Yin-Long QIU 1(Department of Palaeobotany and Palynology,nanjing institute of geology and Paleontology,Chinese Academy of Sciences,nanjing 2.0008,china) 2(laboratory of Biodiversity and Biogeography,Kunming institute of Botany,Chinese Academy of Sciences,Kunming 650204,china) 3.state key laboratory of Palaeobiology and stratigraphy,nanjing institute of geology and palaeontology,Chinese Academy of Sciences,nanjing 2.0008,china) 4(College of Earth Sciences,nanjing University,nanjing 210093.china) 5(Department of Ecology & Evolutionary Biology,The University Herbarium,University of Michigan,Ann Arbor,MI 48109-1048,USA) ( Department of Ecology & Evolutionary Biology The University Herbarium University of Michigan Ann Arbor MI 48109–1048 USA )

A fossil with Gnetum affinity was found in the Jianshangou Member(Barremian Age) of the Yixian Formation(Lower Cretaceous Epoch) of the Jehol Group in western Liaoning,northeastern *** single fossil specimen is represented by both elongate-cylindrical male spike strobiles which borne within a nodal bract of cauliflorous *** spike strobiles have apparent nodes,invisible internodes,and numerous verticillate involucral *** microsporangiate units within involucral collars are not *** male spike strobiles with verticillate involucral collars occur exclusively in Gnetum;hence,the fossil strobiles are attributed to a new taxon,Khitania columnispicata gen.& ***.,being closely related to *** general isotopic dating suggests an age of Barremian,ca.125-122 million years(Myr) ago for the Jianshangou *** palaeoecological and palaeoclimatic inference based on the compositions of flora and fauna,and lithological characters of the fossil locality suggests that the fossil plants grew in a subtropical mesophytic forest and under a warmer *** remains of male spike strobiles are the first record of gnetalean *** documents the evolution of the distinct gnetoid morphology and indicates a wider range of distribution of Gnetaceae in the Early Cretaceous than present day.

关键词： biogeography Early Cretaceous Gnetum affinity male spike strobiles northeastern china

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A zooarchaeological study of bone assemblages from the Ma'anshan Paleolithic site

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Science china Earth Sciences 2010年第3期53卷 395-402页

作者： ZHANG Yue1,2,3. WANG ChunXue1,2, ZHANG ShuangQuan1,2 & GAO Xing1,2 1 institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044 2 Joint laboratory of Human Evolution and Archaeometry, Chinese Academy of Sciences, Beijing 100044 3.state {3. laboratory of Palaeobiology and stratigraphy, nanjing 2.0008 1. institute of Vertebrate Paleontology and Paleoanthropology Chinese Academy of Sciences Beijing 100044 China2. Joint Laboratory of Human Evolution and Archaeometry Chinese Academy of Sciences Beijing 100044 China3. State Key Laboratory of Palaeobiology and Stratigraphy Nanjing 210008 China

Ten thousands of bone fragments were recovered from the Ma’anshan Paleolithic site, of which 43.8 pieces can be identified to skeletal elements or species. In this research, the bone assemblages are quantified based on elements of MNI, MNE, and MAU. Then bone surface modifications and skeletal element profiles of the bone assemblages are studied to understand shlepping behaviors and reveal the technique of disarticulating and defleshing the animals’ bodies, etc. Based on the analyses of bone assemblages and the comparative study with the ethnoarchaeological as well as experimental data, it is assumed that later hominids at the site made fuller use of the game animals than the earlier hominids. Incorporating the lines of evidence from chronological dating, paleoenvironment, and polished bone tools between the two cultural layers, here we propose three hypotheses suggesting that the changes of environment, the migrations of the hominids from the North, or the demographic pulses may cause such a behavioral difference. However, it is yet to be determined which hypothesis can better explain the changes.

关键词： Ma’anshan site zooarchaeology Paleolithic hominid behavior

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Fossil nothofagaceous leaves from the Eocene of western Antarctica and their bearing on the origin, dispersal and systematics of Nothofagus

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Science china Earth Sciences 2007年第10期50卷 1525-1535页

作者： LI HaoMin1 & ZHOU ZheKun2? 1 state key laboratory of Palaeobiology & {3., nanjing institute of geology and palaeontology, Chinese Academy of Sci- ences, nanjing 2.0008, china 2 key laboratory of Biodiversity and Biogeography, Kunming institute of Botany, Chinese Academy of Sciences, Kunming 650204, china 1. state key laboratory of Palaeobiology & {3. Nanjing Institute of Geology and Palaeontology Chinese Academy of Sciences Nanjing 210008 China 2. key laboratory of Biodiversity and Biogeography Kunming Institute of Botany Chinese Academy of Sciences Kunming 650204 China

Fossil leaves resembling Nothofagaceae have been investigated from the Eocene of western Antarctica and a new form genus Nothofagofolia is proposed for these kinds of fossils. Some new specimens belonging to this form genus are described. They were collected from the Fossil Hill locality of Fildes Peninsula, King George Island, South Shetland Islands, western Antarctica. Two new species, two new combinations and an unnamed species are reported. A number of published Nothofagus leaf fossils from the same locality are discussed and revised. As a result of these studies of Nothofagus leaf morphology, we conclude that (1) Nothofagus probably originated in high latitudes of the Southern Hemisphere during the middle-late Late Cretaceous and diversified, dispersed gradually to the lower latitudes of the same hemisphere; (2) leaf morphological characters are significant for the systematics of the family Nothofagaceae, especially at the intrageneric level; and (3. extant species of Nothofagus known from southern temperate areas have more primitive leaf morphological characters and lower leaf ranks than those from tropical mountains as well as those of the Fagaceae and Betulaceae.

关键词： Antarctica, Nothofagus, leaf morphology, leaf impression fossils, Gondwanaland, Nothofagofolia gen. et sp. nov., Eocene

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ABNORMALITIES OF ORGANIC CARBON ISOTOPE IN NON-MARINE PERMIAN-TRIASSIC BOUNDARY SEQUENCES OF DALONGKOU AND TAOSHUYUAN

ABNORMALITIES OF ORGANIC CARBON ISOTOPE IN NON-MARINE PERMIA...

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作者： Changqun CAO, Wei WANG, Lujun LIU state key laboratory of Palaeobiology and {3., Chinese Academy of Sciences, nanjing 2.0008, china. nanjing institute of geology and palaeontology, Chinese Academy of Sciences, nanjing 2.0008, china

To investigate the organic carbon isotope excursions in the non-marine Permian-Triassic boundary sequences and correlate this with that in the marine sequences, 126 samples were determined for the carbon ratios (δ13.org) of kerogen samples spanning 102 meters from the Guodikeng formation to the Lower Triassic Jiucaiyuan formation in the southern limb of Dalongkou Anticline (SDA) and Taoshuyuan sections of Xinjiang, china. Associated fossil assemblages suggested the P-T boundary is in the middle part of Guodikeng formation (proposed P-T boundary at A, B or C in figure below), and provided significantly biostratigraphic overlaps during the Permian-Triassic transition.

关键词： Permian-Triassic non-marine sequences organic carbon isotope Xinjiang

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