Bulletin of geosciences | |
Linguloidean brachiopods from the Lower Ordovician (Tremadocian) of northwestern Argentina | |
Benedetto JL1  Muñoz DF1  | |
关键词: linguliform brachiopods; Ordovician; Argentina; biogeography; | |
DOI : | |
来源: Czech Geological Survey | |
【 摘 要 】
ThenewobolidTorobolussubplanusgen.etsp.nov.fromthelowerTremadocianDevendeusFormation,andthethenewspeciesLibecoviellatilcarensisandLeptembolonargentinumfromtheupperTremadocianSantaRositaFormationaredescribedandillustrated.LibecoviellaistypicaloftheupperTremadocianTřeniceFormationandFloianKlabavaFormationofthePragueBasinandhasbeenreportedrecentlyfromAustralia.LeptembolonhasbeenrecordedinthesameBohemianformations,buttogetherwithothertaxaitformstheThysanotos-LeptembolonAssociationpresentinnorthernEstoniaandaseriesofhigh-latitudeterranes.TherecordofLeptembolonandLibecoviellainthehigh-totemperate-latitudeCentralAndeanregionpointstoaperi-Gondwanandistributionofthesegenera.ThepresenceofBohemian-likeobolidsinnorthwesternArgentinasuggestsamigratoryroutelinkingtheCentralAndeanBasinwithnorthGondwanaandPerunicaalongtheclasticplatformsfringingtheNorthAfricanandBrazilianshields.
【 授权许可】
Unknown
【 预 览 】
Files | Size | Format | View |
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RO201912090783227ZK.pdf | 4920KB | download |