Emsian-Eifelian lingulate brachiopods from the Daleje-Třebotov Formation (Třebotov and Suchomasty limestones) and the Choteč Formation (Choteč and Acanthopyge limestones) from the Prague Basin; the Czech Republic

Bulletin of geosciences

Vodražkova S¹  Mergl M¹ 

关键词: Brachiopoda;    Linguliformea;    Biernatidae;    Opsiconidion;    Orbaspina;    Emsian;    Eifelian;    Basal Choteč Event;    Prague Basin;   

DOI  :  

来源: Czech Geological Survey

【 摘 要 】

TaxonomiccompositionandstratigraphicdistributionoflingulatebrachiopodtaxaaroundtheEmsian/EifelianboundaryofthePragueBasinwereexamined.Twelvespecieshavebeendeterminedandthepresenceofothersissuggested.Theprevalenceofmicromorphicbiernatids,HavlicekionandOpsiconidion,inallthestudiedsamplesissignificant.Amodeoflifeforbiernatids,especiallyfromthegenusOpsiconidion,isdiscussed.AnewDevonianoccurrenceofthesiphonotretidOrbaspinaisrecorded.LingulatebrachiopodsdonotdisplayanysignificantchangearoundtheEmsian/EifelianboundaryorattheBasalChotečEvent(MiddleDevonian,Eifelian,costatusZone)andthusconfirmthegeneraluniformityoflingulatefaunasintheLowerandearlyMiddleDevonian.

【 授权许可】

Unknown