Graptolites from the Rhuddanian-Aeronian boundary interval (Silurian), Prague Synform, Czech Republic

Bulletin of geosciences

Å torch P¹ 

关键词: graptolite;    Silurian;    Rhuddanian;    Aeronian;    Barrandian area;    taxonomy;    biostratigraphy;   

DOI  :  

来源: Czech Geological Survey

【 摘 要 】

Forty-fivegraptolitespeciesbelongingtonineteengeneracollectedfromlooserocksinthefieldatVšeradiceandassignedtotheuppervesiculosus,cyphus,triangulatusandlowerpectinatusbiozonesoflateRhuddanianandearlyAeronianagearedescribedanddiscussed.Of16speciesrecordedforthefirsttimeintheCzechRepublic,fivespeciesarenew(Normalograptusparvus,Normalograptusfrydai,Glyptograptusperneri,PseudorthograptusmitchelliandPernerograptuspribyli);eightspeciesareleftinopennomenclature.ThegenericdiagnosesofPseudorthograptusLegrand,DemirastritesEiselandPernerograptusPřibylareemended.ThesedimentaryandfaunalsuccessionintheVšeradiceareaisreconstructedbycorrelationwiththebiostratigraphicallywelldatedgraptolite-richsectionselsewhereonthesouthernlimbofthePragueSynform.

【 授权许可】

Unknown