{"title":"Mysterious boring hidden within the hinge plates of heterodont bivalves","authors":"J. Martinell, R. Domènech, G. Bromley","doi":"10.37570/bgsd-1998-45-21","DOIUrl":null,"url":null,"abstract":"Well-hidden beneath the umbo ofheterodont bivalves, a sack-like boring is etched into the two hinge plates of the opposed valves. The boring is abundant, occurs in numerous host species, ranges from Eocene to today and appears to have worldwide occurrence. The trace fossil is named Umbichnus inopinatus nov. igen. et isp. The nature of the tracemaker remains unknown. The possibility that the structure is a dissolution pit produced by the bivalve itself is discussed.","PeriodicalId":55310,"journal":{"name":"Bulletin of the Geological Society of Denmark","volume":"1 1","pages":""},"PeriodicalIF":1.2000,"publicationDate":"1999-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Bulletin of the Geological Society of Denmark","FirstCategoryId":"89","ListUrlMain":"https://doi.org/10.37570/bgsd-1998-45-21","RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"Earth and Planetary Sciences","Score":null,"Total":0}
引用次数: 0
Abstract
Well-hidden beneath the umbo ofheterodont bivalves, a sack-like boring is etched into the two hinge plates of the opposed valves. The boring is abundant, occurs in numerous host species, ranges from Eocene to today and appears to have worldwide occurrence. The trace fossil is named Umbichnus inopinatus nov. igen. et isp. The nature of the tracemaker remains unknown. The possibility that the structure is a dissolution pit produced by the bivalve itself is discussed.
期刊介绍：
The Bulletin publishes contributions of international interest in all fields of geological sciences on results of new work on material from Denmark, the Faroes and Greenland. Contributions based on other material may also be submitted to the Bulletin if the subject is of relevance for the geology of the area of primary interest.
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