Precambrian Animal Diversity: Putative Phosphatized Embryos from the Doushantuo Formation of China
Putative fossil embryos and larvae from the Precambrian phosphorite rocks of the Doushantuo Formation in Southwest China have been examined in thin section by bright field and polarized light microscopy. Although we cannot completely exclude a nonbiological or nonmetazoan origin, we identified what...
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| Veröffentlicht in: | Proceedings of the National Academy of Sciences - PNAS 2000-04, Vol.97 (9), p.4457-4462 |
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| container_title | Proceedings of the National Academy of Sciences - PNAS |
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| creator | Chen, Jun-Yuan Oliveri, Paola Li, Chia-Wei Zhou, Gui-Qing Gao, Feng Hagadorn, James W. Peterson, Kevin J. Davidson, Eric H. |
| description | Putative fossil embryos and larvae from the Precambrian phosphorite rocks of the Doushantuo Formation in Southwest China have been examined in thin section by bright field and polarized light microscopy. Although we cannot completely exclude a nonbiological or nonmetazoan origin, we identified what appear to be modern cnidarian developmental stages, including both anthozoan planula larvae and hydrozoan embryos. Most importantly, the sections contain a variety of small (≤ 200 μ m) structures that greatly resemble gastrula stage embryos of modern bilaterian forms. |
| doi_str_mv | 10.1073/pnas.97.9.4457 |
| format | Article |
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Although we cannot completely exclude a nonbiological or nonmetazoan origin, we identified what appear to be modern cnidarian developmental stages, including both anthozoan planula larvae and hydrozoan embryos. Most importantly, the sections contain a variety of small (≤ 200 μ m) structures that greatly resemble gastrula stage embryos of modern bilaterian forms.</description><identifier>ISSN: 0027-8424</identifier><identifier>EISSN: 1091-6490</identifier><identifier>DOI: 10.1073/pnas.97.9.4457</identifier><identifier>PMID: 10781044</identifier><language>eng</language><publisher>Legacy CDMS: National Academy of Sciences of the United States of America</publisher><subject>Animals ; Anthozoa ; Biodiversity ; Biological Evolution ; Biological Sciences ; Body Patterning ; Cambrian ; China ; Cnidaria ; Cnidaria - embryology ; Crystal structure ; Crystals ; Developmental stages ; Echinoderms ; Embryo, Nonmammalian - anatomy & histology ; Embryos ; Fossils ; Gastrula ; Genetic Variation ; Geology ; Geosciences (General) ; Hydrozoa ; Larvae ; Light microscopy ; Marine ; Paleontology ; Paleontology - methods ; Polarized light ; Precambrian ; Precambrian strata ; Precambrian supereon ; Space life sciences</subject><ispartof>Proceedings of the National Academy of Sciences - PNAS, 2000-04, Vol.97 (9), p.4457-4462</ispartof><rights>Copyright 1993-2000 National Academy of Sciences of the United States of America</rights><rights>Copyright National Academy of Sciences Apr 25, 2000</rights><rights>Copyright © 2000, The National Academy of Sciences 2000</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a625t-1a7728eea97a793e3d2968b684e28d3bd5d3049c3133ca99811672964f7480bc3</citedby><cites>FETCH-LOGICAL-a625t-1a7728eea97a793e3d2968b684e28d3bd5d3049c3133ca99811672964f7480bc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://www.pnas.org/content/97/9.cover.gif</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/122413$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/122413$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>230,314,727,780,784,803,885,27924,27925,53791,53793,58017,58250</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/10781044$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Chen, Jun-Yuan</creatorcontrib><creatorcontrib>Oliveri, Paola</creatorcontrib><creatorcontrib>Li, Chia-Wei</creatorcontrib><creatorcontrib>Zhou, Gui-Qing</creatorcontrib><creatorcontrib>Gao, Feng</creatorcontrib><creatorcontrib>Hagadorn, James W.</creatorcontrib><creatorcontrib>Peterson, Kevin J.</creatorcontrib><creatorcontrib>Davidson, Eric H.</creatorcontrib><title>Precambrian Animal Diversity: Putative Phosphatized Embryos from the Doushantuo Formation of China</title><title>Proceedings of the National Academy of Sciences - PNAS</title><addtitle>Proc Natl Acad Sci U S A</addtitle><description>Putative fossil embryos and larvae from the Precambrian phosphorite rocks of the Doushantuo Formation in Southwest China have been examined in thin section by bright field and polarized light microscopy. 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Most importantly, the sections contain a variety of small (≤ 200 μ m) structures that greatly resemble gastrula stage embryos of modern bilaterian forms.</description><subject>Animals</subject><subject>Anthozoa</subject><subject>Biodiversity</subject><subject>Biological Evolution</subject><subject>Biological Sciences</subject><subject>Body Patterning</subject><subject>Cambrian</subject><subject>China</subject><subject>Cnidaria</subject><subject>Cnidaria - embryology</subject><subject>Crystal structure</subject><subject>Crystals</subject><subject>Developmental stages</subject><subject>Echinoderms</subject><subject>Embryo, Nonmammalian - anatomy & histology</subject><subject>Embryos</subject><subject>Fossils</subject><subject>Gastrula</subject><subject>Genetic Variation</subject><subject>Geology</subject><subject>Geosciences (General)</subject><subject>Hydrozoa</subject><subject>Larvae</subject><subject>Light microscopy</subject><subject>Marine</subject><subject>Paleontology</subject><subject>Paleontology - methods</subject><subject>Polarized light</subject><subject>Precambrian</subject><subject>Precambrian strata</subject><subject>Precambrian supereon</subject><subject>Space life sciences</subject><issn>0027-8424</issn><issn>1091-6490</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>CYI</sourceid><sourceid>EIF</sourceid><recordid>eNqFkc1v1DAQxS1ERZfClQtQWRx6S_BXYhv1Um1bQKrEHuBsOYlDskrsxXYqlr8eR1nKwgEOlm3N743mzQPgBUY5Rpy-3VkdcslzmTNW8EdghZHEWckkegxWCBGeCUbYKXgawhYhJAuBnoDTJBUYMbYC1cabWo-V77WFV7Yf9QCv-3vjQx_37-BmijqmL9x0Luy69P5hGniT-L0LsPVuhLEz8NpNodM2Tg7eOj8mzFnoWrjuequfgZNWD8E8P9xn4Mvtzef1h-zu0_uP66u7TJekiBnWnBNhjJZcc0kNbYgsRVUKZohoaNUUDUVM1hRTWmspBcYlTwhrOROoqukZuFz67qZqNE1tbPR6UDufTPm9crpXf1Zs36mv7l5hQYoyyS8Ocu--TSZENfahNsOgrUn2FMeopITT_4KYF5Knk8A3f4FbN3mbdqAIwpQXJRYJyheo9i4Eb9qHgTFSc8RqjlhJrqSaI06C82ObR_iSaQJeH4BZ-Kt83ODiX3XVTsMQzfeYwFcLmDit0s7muRFDmOFCzPZeLuVtiM7_noMQliL6CSe9zDI</recordid><startdate>20000425</startdate><enddate>20000425</enddate><creator>Chen, Jun-Yuan</creator><creator>Oliveri, Paola</creator><creator>Li, Chia-Wei</creator><creator>Zhou, Gui-Qing</creator><creator>Gao, Feng</creator><creator>Hagadorn, James W.</creator><creator>Peterson, Kevin J.</creator><creator>Davidson, Eric H.</creator><general>National Academy of Sciences of the United States of America</general><general>National Acad Sciences</general><general>National Academy of Sciences</general><general>The National Academy of Sciences</general><scope>CYE</scope><scope>CYI</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7QL</scope><scope>7QP</scope><scope>7QR</scope><scope>7SN</scope><scope>7SS</scope><scope>7T5</scope><scope>7TK</scope><scope>7TM</scope><scope>7TO</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H94</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>7TN</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20000425</creationdate><title>Precambrian Animal Diversity: Putative Phosphatized Embryos from the Doushantuo Formation of China</title><author>Chen, Jun-Yuan ; Oliveri, Paola ; Li, Chia-Wei ; Zhou, Gui-Qing ; Gao, Feng ; Hagadorn, James W. ; Peterson, Kevin J. ; Davidson, Eric H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a625t-1a7728eea97a793e3d2968b684e28d3bd5d3049c3133ca99811672964f7480bc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Animals</topic><topic>Anthozoa</topic><topic>Biodiversity</topic><topic>Biological Evolution</topic><topic>Biological Sciences</topic><topic>Body Patterning</topic><topic>Cambrian</topic><topic>China</topic><topic>Cnidaria</topic><topic>Cnidaria - embryology</topic><topic>Crystal structure</topic><topic>Crystals</topic><topic>Developmental stages</topic><topic>Echinoderms</topic><topic>Embryo, Nonmammalian - anatomy & histology</topic><topic>Embryos</topic><topic>Fossils</topic><topic>Gastrula</topic><topic>Genetic Variation</topic><topic>Geology</topic><topic>Geosciences (General)</topic><topic>Hydrozoa</topic><topic>Larvae</topic><topic>Light microscopy</topic><topic>Marine</topic><topic>Paleontology</topic><topic>Paleontology - methods</topic><topic>Polarized light</topic><topic>Precambrian</topic><topic>Precambrian strata</topic><topic>Precambrian supereon</topic><topic>Space life sciences</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Jun-Yuan</creatorcontrib><creatorcontrib>Oliveri, Paola</creatorcontrib><creatorcontrib>Li, Chia-Wei</creatorcontrib><creatorcontrib>Zhou, Gui-Qing</creatorcontrib><creatorcontrib>Gao, Feng</creatorcontrib><creatorcontrib>Hagadorn, James W.</creatorcontrib><creatorcontrib>Peterson, Kevin J.</creatorcontrib><creatorcontrib>Davidson, Eric H.</creatorcontrib><collection>NASA Scientific and Technical Information</collection><collection>NASA Technical Reports Server</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Chemoreception Abstracts</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Immunology Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Oncogenes and Growth Factors Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Proceedings of the National Academy of Sciences - PNAS</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Jun-Yuan</au><au>Oliveri, Paola</au><au>Li, Chia-Wei</au><au>Zhou, Gui-Qing</au><au>Gao, Feng</au><au>Hagadorn, James W.</au><au>Peterson, Kevin J.</au><au>Davidson, Eric H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Precambrian Animal Diversity: Putative Phosphatized Embryos from the Doushantuo Formation of China</atitle><jtitle>Proceedings of the National Academy of Sciences - PNAS</jtitle><addtitle>Proc Natl Acad Sci U S A</addtitle><date>2000-04-25</date><risdate>2000</risdate><volume>97</volume><issue>9</issue><spage>4457</spage><epage>4462</epage><pages>4457-4462</pages><issn>0027-8424</issn><eissn>1091-6490</eissn><abstract>Putative fossil embryos and larvae from the Precambrian phosphorite rocks of the Doushantuo Formation in Southwest China have been examined in thin section by bright field and polarized light microscopy. Although we cannot completely exclude a nonbiological or nonmetazoan origin, we identified what appear to be modern cnidarian developmental stages, including both anthozoan planula larvae and hydrozoan embryos. Most importantly, the sections contain a variety of small (≤ 200 μ m) structures that greatly resemble gastrula stage embryos of modern bilaterian forms.</abstract><cop>Legacy CDMS</cop><pub>National Academy of Sciences of the United States of America</pub><pmid>10781044</pmid><doi>10.1073/pnas.97.9.4457</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| source | MEDLINE; JSTOR Archive Collection A-Z Listing; NASA Technical Reports Server; PubMed Central; Alma/SFX Local Collection; Free Full-Text Journals in Chemistry |
| subjects | Animals Anthozoa Biodiversity Biological Evolution Biological Sciences Body Patterning Cambrian China Cnidaria Cnidaria - embryology Crystal structure Crystals Developmental stages Echinoderms Embryo, Nonmammalian - anatomy & histology Embryos Fossils Gastrula Genetic Variation Geology Geosciences (General) Hydrozoa Larvae Light microscopy Marine Paleontology Paleontology - methods Polarized light Precambrian Precambrian strata Precambrian supereon Space life sciences |
| title | Precambrian Animal Diversity: Putative Phosphatized Embryos from the Doushantuo Formation of China |
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