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Cilioretinal Artery Occlusion Following Diagnostic Lumbar Puncture in a Patient of Idiopathic Intracranial Hypertension. 特发性颅内高压患者诊断性腰椎穿刺后睫状体视网膜动脉闭塞。
IF 2.9 4区 地球科学 Q3 PALEONTOLOGY Pub Date : 2023-12-01 Epub Date: 2022-02-25 DOI: 10.1097/WNO.0000000000001491
Srikanta Kumar Padhy, Suman Sahu
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引用次数: 0
An overview of ichthyosaurian remains from the Cretaceous of Texas, USA 美国德克萨斯州白垩纪鱼龙化石概述
IF 1.3 4区 地球科学 Q3 PALEONTOLOGY Pub Date : 2018-10-02 DOI: 10.1080/03115518.2018.1523462
Nathan E. Van Vranken
The clade nominal Ophthalmosauridae encompasses all currently recognized ichthyosaurian taxa from the mid-Cretaceous (Albian–Cenomanian) time interval in North America. These would have inhabited what is today known as the Western Interior Seaway. The remains represent mid to large-sized (up to around 5 m in maximum body length) ichthyosaurians that are mainly based upon isolated teeth and vertebrae, although some partial skeletons have been recovered from both the USA and Canada. Most of these fossils have taxonomic affinities with platypterygiines, such as the ubiquitous ‘form genus’ Platypterygius. This taxon has historically been the default identification for most North American Cretaceous ichthyosaur specimens. However, in comparison with remains from elsewhere, the ichthyosaurian fossils from Texas have been relatively understudied. Here, I review the existing records and present a concise list of all Cretaceous ichthyosaurian material currently held in public museum collections across the state. I have recognized 11 Cretaceous ichthyosaurian occurrences from Texas, including an indeterminate tooth, numerous vertebral centra, and some fragmentary skeletal remains attributable to Platypterygius. Ichthyosaurians therefore demonstrably occupied the Cretaceous epeiric seas of Texas from at least the Albian to middle Cenomanian, a distribution that traverses both the western and eastern coastlines of the Western Interior Seaway during its early phase of southern epicontinental incursion.
眼龙科进化枝包括了北美洲白垩纪中期(Albian-Cenomanian)时期已知的所有鱼龙类群。他们可能居住在今天被称为西部内陆海道的地方。这些遗骸代表了中型到大型(最大体长约5米)的鱼龙,主要是基于孤立的牙齿和椎骨,尽管在美国和加拿大都发现了一些部分骨骼。这些化石中的大多数在分类上与鸭嘴兽有亲缘关系,比如无处不在的“形式属”鸭嘴兽。这个分类群在历史上一直是大多数北美白垩纪鱼龙标本的默认识别。然而,与其他地方的化石相比,德克萨斯州的鱼龙化石研究相对不足。在这里,我回顾了现有的记录,并提供了一份简明的清单,列出了目前在全州公共博物馆收藏的所有白垩纪鱼龙材料。我在德克萨斯州发现了11种白垩纪鱼龙,包括一颗不确定的牙齿,许多椎体中心,以及一些属于鸭嘴兽的碎片骨骼残骸。因此,鱼龙类至少从阿尔比尼亚到塞诺曼尼亚中期占据了德克萨斯州的白垩纪表海,在南部表陆入侵的早期阶段,这一分布横跨了西部内陆海道的东西海岸线。
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引用次数: 2
Nummulites perforatus (de Montfort, 1808) and N. beaumonti: d’Archaic & Haime, 1853: a new record from Gebel Hafit, United Arab Emirates 穿孔Nummulites perforatus (de Montfort, 1808)和N. beaumonti: d 'Archaic & Haime, 1853:来自阿拉伯联合酋长国Gebel Hafit的新记录
IF 1.3 4区 地球科学 Q3 PALEONTOLOGY Pub Date : 2018-06-19 DOI: 10.1080/03115518.2018.1480061
S. Al Menoufy
Al Menoufy, S. 20 June 2018. Nummulites perforatus (de Montfort, 1808) and N. beaumonti d’Archaic & Haime, 1853: a new record from Gebel Hafit, United Arab Emirates. Alcheringa 43, 146–156. Nummulites perforatus (N. burdigalensis group) and N. beaumonti (N. discorbinus group) are recorded from a Priabonian limestone outcrop of the Mazyad Member, Dammam Formation, exposed along the eastern limb of Gebel Hafit Anticline, in the United Arab Emirates. Nummulites perforatus at this site is characterized morphologically by lenticular to inflated-lenticular tests with rounded edges, meandering septal filaments, dense granules on, and between, the septal filaments, chambers that are longer than high and a regular-shaped spire. Biometric studies have demonstrated that this new material from the United Arab Emirates is similar to specimens of N. perforatus previously described. N. beaumonti is here characterized morphologically by lenticular tests with slightly rounded peripheries, a relatively thick and irregular marginal cord, compact septal filaments that are curved initially but become radial and twisted around the polar area with a slight flexure towards the periphery, tight to lax coiled spire, and chambers that are rectangular in shape and higher than long, including a rudimentary polar pustule. Biometric studies revealed that this material is comparable with specimens of N. beaumonti. Nummulites perforatus and N. beaumonti span the SBZ19 zone and are considered to be late Eocene (Priabonian) in age. Safia Al Menoufy [safiageo@yahoo.com or almenoufysafia@gmail.com] Biological & Geological Sciences, Faculty of Education, Ain Shams University, Roxy, El khalifa El maamoon Street, Cairo 11566, Egypt.
Al Menoufy, 2018年6月20日。穿孔Nummulites perforatus (de Montfort, 1808)和N. beaumonti d 'Archaic & Haime, 1853:来自阿拉伯联合酋长国Gebel Hafit的新记录。Alcheringa 43, 146-156。阿拉伯联合酋长国Gebel Hafit背斜东侧Mazyad组达曼组Priabonian石灰岩露头记录了Nummulites perforatus (N. burdigalensis群)和N. beaumonti (N. discorbinus群)。此处穿孔数瓣的形态特征为透镜状或膨大透镜状,边缘圆润,间隔丝弯曲,间隔丝上和间隔间有致密颗粒,室高大于室高,有规则形状的尖顶。生物识别研究表明,这种来自阿拉伯联合酋长国的新材料与先前描述的N. perforatus标本相似。波蒙氏单胞菌的形态特征为透镜状,外周微圆,边缘索较粗且不规则,紧凑的间隔丝最初弯曲,但在极区周围呈径向扭曲,向外周有轻微弯曲,螺旋状尖顶紧或松,室形为矩形,较长,包括一个初步的极脓疱。生物计量学研究表明,这种材料与博蒙奈菌的标本相当。Nummulites perforatus和N. beaumonti跨越SBZ19带,年龄被认为是晚始新世(Priabonian)。Safia Al Menoufy [safiageo@yahoo.com或almenoufysafia@gmail.com]埃及开罗11566 El khalifa El maamoon街Roxy艾因沙姆斯大学教育学院生物与地质科学。
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引用次数: 0
A sea scorpion claw from the Lower Devonian of China (Chelicerata: Eurypterida) 中国下泥盆世海蝎爪(螯角目:海蝎目)
IF 1.3 4区 地球科学 Q3 PALEONTOLOGY Pub Date : 2014-04-03 DOI: 10.1080/03115518.2014.870819
Bo Wang, Z. Gai
Wang, B. & Gai, Z.K., 2014. A sea scorpion claw from the Lower Devonian of China (Chelicerata: Eurypterida). Alcheringa 38, XX–XX. ISSN 0311–5518. An isolated chelicera (claw) of a pterygotid eurypterid is described from the Lower Devonian Xitun Formation of Yunnan Province, China. It is different from chelicerae of other pterygotids in having four principal denticles and at least four intermediate denticles between the principal denticles on both rami. This Chinese pterygotid, estimated at about 70 cm long, was a top predator that probably hunted small, primitive fishes, such as galeaspids. This discovery represents the first record of Pterygotidae from Asia and the third fossil eurypterid from China. Bo Wang (corresponding author) [savantwang@gmail.com], State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China; Steinmann Institute, University of Bonn, 53115 Bonn, Germany; Zhikun Gai [gaizhikun@ivpp.ac.cn], Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044, China. Received 22.10.2013, revised 15.11.2013, accepted 20.11.2013.
王斌,盖志宽,2014。中国下泥盆世的海蝎爪(螯角目:海蝎目)。Alcheringa 38, XX-XX。ISSN 0311 - 5518。描述了云南下泥盆统西屯组翼足类泛翅龙的一分离爪爪。不同于其他翼足类的螯肢,它有四个主齿,在两支主齿之间至少有四个中间齿。这种中国翼龙,估计长约70厘米,是一种顶级捕食者,可能捕食小型原始鱼类,如galeaspids。这一发现是在亚洲发现的首个翼龙科化石,也是在中国发现的第三个泛龙化石。王博(通讯作者)[savantwang@gmail.com],中国科学院南京地质古生物研究所古生物与地层学国家重点实验室,江苏南京210008;德国波恩大学斯坦曼研究所,德国波恩53115;盖志坤[gaizhikun@ivpp.ac.cn],中国科学院古脊椎动物与古人类研究所,中国科学院脊椎动物进化与人类起源重点实验室,北京100044。2013年10月22日收稿,2013年11月15日改稿,2013年11月20日收稿。
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引用次数: 7
A new saucrosmylid lacewing (Insecta, Neuroptera) from the Middle Jurassic of Daohugou, Inner Mongolia, China 文章标题内蒙古稻虎沟中侏罗世一新种(昆虫亚目,神经翅目)
IF 1.3 4区 地球科学 Q3 PALEONTOLOGY Pub Date : 2014-04-03 DOI: 10.1080/03115518.2014.886849
Qing Liu, Haichun Zhang, Bo Wang, Yan Fang, D. Zheng, Qi Zhang, E. Jarzembowski
Liu, Q., Zhang, H.C., Wang, B., Fang, Y., Zheng, D.R., Zhang, Q. & Jarzembowski, E.A., 2014. A new saucrosmylid lacewing (Insecta, Neuroptera) from the Middle Jurassic of Daohugou, Inner Mongolia, China. Alcheringa 38. ISSN 0311-5518. A new genus and new species of Saucrosmylidae (Insecta, Neuroptera) are described (Daohugosmylus castus) based on a well-preserved hindwing from the Middle Jurassic of Daohugou, Inner Mongolia, China. Daohugosmylus gen. nov. is distinguished by a large and nearly semi-circular hindwing, relatively wide R1 space possessing several rows of cells, anteriorly bent Rs, dense crossveins over the entire wing, and smooth outer margin. Qing Liu (corresponding author) [qingliu1029@gmail.com], Haichun Zhang [hczhang@nigpas.ac.cn], Bo Wang [bowang@nigpas.ac.cn], Yan Fang [yanfang@nigpas.ac.cn], Daran Zheng [dranzheng@gmail.com], Qi Zhang [zhqi1105@126.com] and Edmund A Jarzembowski [jarzembowski2@live.co.uk], State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, 210008, PR China; secondary address of Daran Zheng & Qi Zhang, University of Chinese Academy of Sciences, Beijing, 100049, PR China; and Ed Jarzembowski, Department of Earth Sciences, The Natural History Museum, London SW7 5BD, UK. Received 13.11.2013; revised 20.1.2014; accepted 21.1.2014.
刘强,张宏成,王斌,方勇,郑德荣,张强,和Jarzembowski, e.a., 2014。文章标题内蒙古稻虎沟中侏罗世一新种(昆虫亚目,神经翅目)。黄金时代38。ISSN 0311 - 5518。根据内蒙古稻虎沟中侏罗统保存完好的后翅记述了一新属和新种(稻虎沟中侏罗统)。dahugosmylus gener11 .的特点是后翅大且近半圆形,R1空间较宽,有几排细胞,r前弯,整个翅上有密集的横纹,外缘光滑。刘清(通讯作者)[qingliu1029@gmail.com],张海春[hczhang@nigpas.ac.cn],王博[bowang@nigpas.ac.cn],方燕[yanfang@nigpas.ac.cn],郑大然[dranzheng@gmail.com],张琦[zhqi1105@126.com], Edmund A Jarzembowski [jarzembowski2@live.co.uk],中国科学院南京地质古生物研究所古生物学与地层学国家重点实验室,南京,210008;中国科学院大学郑大然、张琦二级地址,北京100049;Ed Jarzembowski,英国伦敦sw75bd自然历史博物馆地球科学部。收到13.11.2013;修订20.1.2014;接受21.1.2014。
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引用次数: 5
New ‘Grylloblattida’ related to the genus Prosepididontus Handlirsch, 1920 in the Middle Jurassic of China (Insecta: Geinitziidae) 中国中侏罗统Prosepididontus handlrsch, 1920年新“grylloblatida”(昆虫亚目:真蝇科)
IF 1.3 4区 地球科学 Q3 PALEONTOLOGY Pub Date : 2008-12-01 DOI: 10.1080/03115510802417893
Diying Huang, A. Nel
Huang, D.-Y. & Nel, A., December, 2008. New ‘Grylloblattida’ related to the genus Prosepididontus Handlirsch, 1920 in the Middle Jurassic of China (Insecta: Geinitziidae). Alcheringa 32, 395–403. ISSN 0311-5518. On the basis of well-preserved nearly complete specimens, two new genera and species Sinosepididontus chifengensis and Megasepididontus grandis, both closely related to the Early Jurassic geinitziid genus Prosepididontus, are described. The new material was collected from the Middle Jurassic Jiulongshan Formation near the Daohugou Village, Ningcheng County, Inner Mongolia, northeast China. New body and leg structures are described for these Chinese taxa. They were previously unknown in other Geinitziidae. The new data indicate that the extinct ‘Grylloblattida’ contained heterogenous groups.
黄,D.-Y。& Nel, A., 2008年12月。中国中侏罗统Prosepididontus handlrsch, 1920年新属“grylloblatida”(昆虫科:真蝇科)。Alcheringa 32, 395-403。ISSN 0311 - 5518。在保存完好的近完整标本的基础上,描述了与早侏罗世geinitziid属Prosepididontus亲缘关系密切的Sinosepididontus chifengensis和Megasepididontus grandis两个新属和新种。新材料采集于中国东北内蒙古宁城县稻虎沟村附近的中侏罗统九龙山组。描述了这些中国分类群新的身体和腿结构。以前在其他精灵科中不为人知。新的数据表明,灭绝的“灰滑虫”含有异质群。
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引用次数: 10
Alcheringa news item 阿尔切林加新闻
IF 1.3 4区 地球科学 Q3 PALEONTOLOGY Pub Date : 2008-11-27 DOI: 10.1080/03115517708527767
R. Bruce
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引用次数: 0
Tertiary Isoetes from Tasmania 塔斯马尼亚岛的第三纪Isoetes
IF 1.3 4区 地球科学 Q3 PALEONTOLOGY Pub Date : 2008-11-27 DOI: 10.1080/03115518808619003
R. Hill
Leaves and megaspores for the Late Oligocene — Early Miocene Monpellyata flora are assigned to the new species Isoetes reticulata. This represents the first Tertiary macrofossil evidence for the genus in Australia. The species is distinct from all extant species of Isoetes in southern Australia and does not closely resemble any extant species so far examined. The lack of stomates on the leaves of I. reticulata suggests that the species grew wholly submerged in water, and this, along with the excellent state of preservation, adds to evidence indicating that the depositional site was equivalent to an extant alpine or sub-alpine lake with Isoetes growing in situ.
晚渐新世-早中新世Monpellyata植物区系的叶片和大孢子归属于新种Isoetes reticulata。这是该属在澳大利亚的第一个第三纪大化石证据。该物种与澳大利亚南部所有现存的Isoetes物种不同,并且与迄今为止研究的任何现存物种都不相似。水蛭叶片上缺少气孔表明该物种生长时完全淹没在水中,再加上其良好的保存状态,进一步证明该沉积地点相当于一个现存的高山或亚高山湖泊,水蛭在原地生长。
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引用次数: 7
Alcheringa news item 阿尔切林加新闻
IF 1.3 4区 地球科学 Q3 PALEONTOLOGY Pub Date : 2008-08-07 DOI: 10.1080/03115517808527786
M. Muir
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引用次数: 0
Stable isotope record (18O, 13C) of a Naracoorte Caves speleothem (Australia) from before and after the Last Interglacial 末次间冰期前后澳大利亚Naracoorte洞穴的稳定同位素记录(18O, 13C
IF 1.3 4区 地球科学 Q3 PALEONTOLOGY Pub Date : 2006-01-01 DOI: 10.1080/03115510608619571
E. Bestland, J. M. Rennie
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引用次数: 5
期刊
Alcheringa
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