Bulletin of geosciences | |
Upper Cenomanian–Lower Turonian ammonoids from the Saxonian Cretaceous (lower Elbtal Group, Saxony, Germany) | |
Wilmsen M1  Nagm E1  | |
关键词: Upper Cretaceous; Saxo-Bohemian Cretaceous Basin; ammonites; taxonomic revision; biostratigraphy; | |
DOI : | |
来源: Czech Geological Survey | |
【 摘 要 】
TheUpperCenomaniantoLowerTuronianammonoidfaunaoftheSaxonianCretaceous(ElbtalGroup,Saxony,Germany)hasbeenrevisedbasedonthestudyof270specimenshostedintheMuseumfürMineralogieundGeologie(MMG)oftheSenckenbergNaturhistorischeSammlungenDresden.Intotal,12specieshavebeenidentifiedand,basedonthisrevision,anumberofammonoidsarenowreportedand/orillustratedforthefirsttimefromtheElbtalGroupofSaxony:Euomphalocerasseptemseriatum,Neocardiocerasjuddiibarroisi,Watinocerascoloradoense,Spathites(Jeanrogericeras)reveliereanus,SciponocerasgracileandScaphitesequalis.ThestudydemonstratedthepresenceofallUpperCenomanianandLowerTuronianstandardammonitebiozonesinthelithostratigraphicsuccessionofthelowerElbtalGroup:thelowerUpperCenomanianCalycocerasnaviculareZone(representedbytheOberhäslichFormation),themid-andupperUpperCenomanianMetoicocerasgeslinianumandNeocardiocerasjuddiizones(representedbytheDölzschenFormation),andtheLowerTuronianWatinocerascoloradoenseandMammitesnodosoideszones(representedbytheBrießnitzFormation).TheammonoidfaunafromtheSaxonianCretaceousisdominatedbystronglyornamentedandwidelydistributedAcanthoceratidae.
【 授权许可】
Unknown
【 预 览 】
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