Viséan Lithostrotionidae (Rugosa) from Zonguldak and Bartın (NW Turkey)

Bulletin of geosciences

Denayer J¹ 

关键词: Lower Carboniferous;    Viséan;    Pontides;    Turkey;    rugose corals;    Lithostrotion;    Siphonodendron;    Nemistium;   

DOI  :  

来源: Czech Geological Survey

【 摘 要 】

InNorthwesternTurkey,theMississippian(LowerCarboniferous)Y#305;lanl#305;Formationiscomposedofvariegatedshallow-waterlimestonecontainingrugosecorals,tabulatecoralsandbrachiopods.SixsectionsweresampledintheZonguldakandBart#305;nareas,fromeasttowest,thereareSüzek,Topluca,Gökgöl,Kokaksu,UlutamandKislasections.Amongtherugosecorals,arichanddiversifiedassemblageofLithostrotionidaehasbeencollected.Thelattercontainsthespecies:Nemistiumcf.affine,Siphonodendronondulosum,S.martini,S.irregulare,S.pauciradiale,S.asiaticum,S.ralliisp.nov.,S.scaleberense,S.kleffense,S.aff.kleffense,Lithostrotionaraneum,L.vorticale,L.sp.andL.potiisp.nov.DuringtheMoliniacianitisproposedthatsubcerioidcoloniesofS.ondulosumgaverisetocerioidcoloniesofLithostrotionpotiisp.nov.,thelatterconstitutingtheoldestspeciesofthegenuspreviouslyconsideredtobeLiviantoWarnantianinage.ThisdiscoveryledtoanemendationofthephyleticlineageoftheLithostrotionidae.ThebiostratigraphybasedonrugosecoralsindicatesaMoliniacian(earlyViséan)andWarnantian(lateViséan)ageofthedepositswiththeabsenceoftheinterveningLivian(middleViséan).

【 授权许可】

Unknown