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2. Center for Excellence in Innovation in Biological Evolution and the Environment, Chinese Academy of Sciences, Beijing 100044, China;
3. University of Chinese Academy of Sciences, Beijing 100049, China;
4. University of Cagliari, Clatu 63100-000, Brazil, fund=null, authors=WANG Xiaolin1,2,3 , JIANG Shunxing1,2 , CHEN Xin1,4 , authorsList=WANG Xiaolin, JIANG Shunxing, CHEN Xin), CN=ArticleExt(id=1242137241640841542, articleId=1242137238084067743, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=哈密翼龙及其3D胚胎化石研究, columnId=1242137240030228789, journalTitle=科技导报, columnName=专题:古生物学进展, runingTitle=null, highlight=null, articleAbstract=翼龙是地球上第一类飞向天空也是唯一绝灭的飞行脊椎动物,人类对其产卵繁殖、生长发育和生活习性等方面的了解还十分有限。本文介绍了一件超过200枚哈密翼龙蛋、胚胎和骨骼化石三位一体保存的重要标本,包括16枚翼龙蛋含有三维立体的胚胎化石。针对这件全世界首次发现的3D翼龙胚胎,研究提出哈密翼龙具有相对早熟的胚胎发育模式,其后肢发育速度较前肢快,孵化之后只能走不能飞;胚胎发育期间牙齿尚未萌出,出生后还需要父母照料;从胚胎到亚成年都具有快速生长的骨骼结构;显示哈密翼龙具有群居的生活习性,白垩纪的湖泊风暴导致其集群死亡并快速埋藏。, correspAuthors=null, authorNote=汪筱林,研究员,研究方向为中生代翼龙、恐龙、蛋化石及中生代地层学,电子信箱:wangxiaolin@ivpp.ac.cn, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=vHpzCLIVPvXYrhPkj41O/Q==, pdfFileSize=4976139, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=1. 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演化与人类起源重点实验室, 北京 100044;
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科技导报
| 专题:古生物学进展 2018, 36(23): 11-19
哈密翼龙及其3D胚胎化石研究
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汪筱林1,2,3 , 蒋顺兴1,2 , 程心1,4
作者信息
1. 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演化与人类起源重点实验室, 北京 100044;
2. 中国科学院生物演化与环境卓越创新中心, 北京 100044;
3. 中国科学院大学, 北京 100049;
4. 卡里里地区大学, 克拉图 63100-000
Study on Hamipterus and their 3D embryos
Affiliations
出版时间: 2018-12-13
doi: 10.3981/j.issn.1000-7857.2018.23.002
文章导航
翼龙是地球上第一类飞向天空也是唯一绝灭的飞行脊椎动物,人类对其产卵繁殖、生长发育和生活习性等方面的了解还十分有限。本文介绍了一件超过200枚哈密翼龙蛋、胚胎和骨骼化石三位一体保存的重要标本,包括16枚翼龙蛋含有三维立体的胚胎化石。针对这件全世界首次发现的3D翼龙胚胎,研究提出哈密翼龙具有相对早熟的胚胎发育模式,其后肢发育速度较前肢快,孵化之后只能走不能飞;胚胎发育期间牙齿尚未萌出,出生后还需要父母照料;从胚胎到亚成年都具有快速生长的骨骼结构;显示哈密翼龙具有群居的生活习性,白垩纪的湖泊风暴导致其集群死亡并快速埋藏。
哈密翼龙
/
3D胚胎
/
胚胎发育
/
风暴事件
Pterosaur is the first flying vertebrate and the only extinct group on the earth. The knowledge of its reproduction, development and life history is limited. Here we report on a large block of specimen gathering more than two hundred eggs, embryos and bones of Hamipterus . Sixteen eggs contain 3D embryonic remains, which was the first discovery of 3D embryos. This paper led to the hypothesis that Hamipterus might have been less precocious than advocated for pterosaurs in general. The hind limbs have developed more rapidly compared to the forelimbs and might have been functional right after the animal hatched, suggesting newborns were likely to move around but were not able to fly. No tooth was found in the embryonic development, indicating newborns probably needed some parental care. The histological thin-sections from embryos to sub-adults all show fast growth bones. This paper also advanced the gregarious behavior of Hamipterus , and proposed that the Cretaceous storms might cause the mass mortality and buried fossils very fast.
Hamipterus
/
3D embryos
/
embryonic development
/
storm eventsa
汪筱林, 蒋顺兴, 程心.
哈密翼龙及其3D胚胎化石研究.
科技导报,
2018
, 36
(23)
: 11
-19
.
DOI: 10.3981/j.issn.1000-7857.2018.23.002
WANG Xiaolin, JIANG Shunxing, CHEN Xin.
Study on Hamipterus and their 3D embryos[J].
Science & Technology Review ,
2018
, 36
(23)
: 11
-19
.
DOI: 10.3981/j.issn.1000-7857.2018.23.002
2018年第36卷第23期
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文章信息
doi: 10.3981/j.issn.1000-7857.2018.23.002
接收时间:2018-06-23
首发时间:2018-12-18
出版时间:2018-12-13
收稿日期:2018-06-23
修回日期:2018-09-21
https://castjournals.cast.org.cn/joweb/kjdb/CN/10.3981/j.issn.1000-7857.2018.23.002
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2种不同金属材料的力学参数
科 Family 属数 Number of genus 种数 Number of species 占总种数比例 Percentage of total species (%) 属 Genus 种数 Number of species 占总种数比例 Percentage of total species (%) 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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