{"title":"沃克沙生物群：了解志留纪早期生活的绝佳窗口","authors":"Kenneth C. Gass, Simon J. Braddy","doi":"10.1111/gto.12447","DOIUrl":null,"url":null,"abstract":"<p>The Waukesha Biota (Brandon Bridge Formation Lagerstätte) is a diverse assemblage of early Silurian (437 Ma) shallow marine fossils from Wisconsin, USA. Their exceptional preservation, in finely laminated dolomitic mudstones, was mediated by tidally-influenced conditions and/or microbial entombment. Shelly biomineralized animals are rare, but soft-bodied organisms are common. Arthropods dominate, including trilobites, phyllocarids, ostracodes, a thylacocephalan, a synziphosurine and various enigmatic groups. The fauna also includes evolutionary ‘holdovers’, such as palaeoscolecids and a lobopodian.</p>","PeriodicalId":100581,"journal":{"name":"Geology Today","volume":"39 5","pages":"169-176"},"PeriodicalIF":0.0000,"publicationDate":"2023-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"The Waukesha Biota: a wonderful window into early Silurian life\",\"authors\":\"Kenneth C. Gass, Simon J. Braddy\",\"doi\":\"10.1111/gto.12447\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>The Waukesha Biota (Brandon Bridge Formation Lagerstätte) is a diverse assemblage of early Silurian (437 Ma) shallow marine fossils from Wisconsin, USA. Their exceptional preservation, in finely laminated dolomitic mudstones, was mediated by tidally-influenced conditions and/or microbial entombment. Shelly biomineralized animals are rare, but soft-bodied organisms are common. Arthropods dominate, including trilobites, phyllocarids, ostracodes, a thylacocephalan, a synziphosurine and various enigmatic groups. The fauna also includes evolutionary ‘holdovers’, such as palaeoscolecids and a lobopodian.</p>\",\"PeriodicalId\":100581,\"journal\":{\"name\":\"Geology Today\",\"volume\":\"39 5\",\"pages\":\"169-176\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-09-27\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Geology Today\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1111/gto.12447\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Geology Today","FirstCategoryId":"1085","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/gto.12447","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The Waukesha Biota: a wonderful window into early Silurian life
The Waukesha Biota (Brandon Bridge Formation Lagerstätte) is a diverse assemblage of early Silurian (437 Ma) shallow marine fossils from Wisconsin, USA. Their exceptional preservation, in finely laminated dolomitic mudstones, was mediated by tidally-influenced conditions and/or microbial entombment. Shelly biomineralized animals are rare, but soft-bodied organisms are common. Arthropods dominate, including trilobites, phyllocarids, ostracodes, a thylacocephalan, a synziphosurine and various enigmatic groups. The fauna also includes evolutionary ‘holdovers’, such as palaeoscolecids and a lobopodian.
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