ChinaExclusive:600mln-year-oldspongefoundinChina-PeoplesDailyOnline

Wednesday 3 June 2015SearchArchiveEnglishChineseJapaneseFrenchSpanishRussianArabicKoreaGermanPortugueseHomeOpinionsBusinessMilitaryWorldSocietyCultureTravelScienceSportsSpecial CoveragePhotoVideoEnglishChina SocietyChina Exclusive: 600 mln-year-old sponge found in China(Xinhua)    15:26, March 10, 2015Email|Printvar jiathis_config={title:”China Exclusive: 600 mln-year-old sponge found in China”,summary:” ”,}The sponge in the size of a half rice. (Photo/Nanjing Morning News)NANJING, March 10 — Chinese scientists have discovered a 600 million-year-old sponge-like fossil, predating existing findings of primitive animals by 60 million years.The Nanjing Institute of Geology and Paleontology at the Chinese Academy of Sciences on Monday said that the tiny fossil, which only measures two to three cubic millimeters, was discovered in the Wengan biota in the southwest province of Guizhou.Yin Zongjun, from the institute, said that the fossil featured multiple characteristics of modern sponges, including three tubular chambers and a highly porous surface, which would have allowed water to flow in and out of the animal.The discovery indicates that primitive sponge- and Eumetazoa-like animals lived before the Cambrian period, which is between 541 million and 485 million years ago, much earlier than previously assumed.”Previous discoveries of Precambrian sponges have not approved as they lacked the distinguishing cell structure and pore system,” Yin said.This significant discovery will inform evolution research, he added.The discovery was published on Tuesday in the Proceedings of the National Academy of the Sciences of the United States of America (PNAS).Wengan biota is a phosphorus-rich geological formation known for its well preserved fossils.(For the latest China news, Please follow Peoples Daily on Twitter and Facebook)(Editor:Yao Xinyu,Yao Chun)Add your comment/* * * CONFIGURATION VARIABLES: EDIT BEFORE PASTING INTO YOUR WEBPAGE * * */var disqus_shortname = enpeople; // required: replace example with your forum shortnamevar disqus_identifier = 8860821;/* * * DONT EDIT BELOW THIS LINE * * */(function() {var dsq = document.createElement(script); dsq.type = text/javascript; dsq.async = true;dsq.src = // + disqus_shortname + .disqus.com/embed.js;(document.getElementsByTagName(head)[0] || document.getElementsByTagName(body)[0]).appendChild(dsq);})();Please enable JavaScript to view the comments powered by Disqus.Related readingA Brazilian lawyers half-century old China complexChina grants 10-year visas to Canadian citizensOfficial confident to reach China-Malaysia trade target of 160 bln USD in 2017China, UN to co-host global women summit in Sept.We RecommendAttendants-to-be join Mr. & Miss Campus Contest
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