نتایج جستجو برای: upper albian

تعداد نتایج: 205454  

Journal: :Acta Geologica Polonica 2023

The uppermost Albian and lowermost Cenomanian succession at Abouda Plage, north of Agadir, in the Agadir Basin, western Morocco, is described detail, ammonites, microcrinoids planktonic foraminifera are recorded illustrated. lower part Ait Lamine Formation yields ammonites indicative the  Pervinquieria (Subschloenbachia) rostrata P. ( S. ) perinflata ammonite zones, Thalmanninella appenninica f...

Journal: :Cretaceous Research 2021

The Cambridge Greensand Member (lower Cenomanian: Upper Cretaceous) has yielded a diverse fauna of terrestrial and marine tetrapods, whose remains are largely reworked from the underlying Gault Formation (upper Albian: Lower Cretaceous). Here, we re-describe two non-avian dinosaur taxa named this unit, ‘Eucercosaurus tanyspondylus’ Seeley, 1879 ‘Syngonosaurus macrocercus’ 1879, both which have ...

Journal: :Acta Geologica Polonica 2023

The lithostratigraphy, biostratigraphy, sequence stratigraphy, ammonite and inoceramid faunas of the Upper Albian, Cenomanian, Lower Turonian Karai Formation, highest unit Uttatur Group in the Pondicherry Sub-Basin Cauvery Basin Tamil Nadu, south India, are documented. Detailed logs and descriptions sections between Kulakkalnattam, Odiyam Kunnam, north-west of Garudamangalam presented. They pro...

Journal: :Frontiers in Earth Science 2022

Australian dinosaur research has undergone a renaissance in the last 10 years, with growing knowledge of mid-Cretaceous assemblages revealing an endemic high-paleolatitude Gondwanan fauna. One its most conspicuous members is ankylosaurs, which are rare but nonetheless occur dinosaur-bearing formations spanning uppermost Barremian to lower Cenomanian. Here we describe partial ankylosaur skull fr...

Journal: Geopersia 2017

AbstractThe Aitamir Formation is divided into two members the lower sandstone and the upper shale. 32 genera and 57 species of foraminifera have been recognized. According to identified foraminifera Rotalipora appenninica Interval Zone, Rotalipora globotruncanoides (Rotalipora brotzeni) interval zone and Whiteinella aumalensis-Dicarinella canaliculata assemblage zone are proposed and a l Albian...

Two stratigraphic sections (Kuh-e-Rahmat and Kuh-e-Sabz) of Upper Cretaceous strata in the Interior Fars region (SW of Iran) were selected. Lower Cretaceous succession of Kuh-e-Rahmat was consisted of Dariyan, Kazhdumi Sarvak and Ilam Formations. The lower contact of the Sarvak Formation with Kazhdumi Formation is described as a transitional type whereas the upper contact of Sarvak Formation wa...

Journal: :Acta Geologica Polonica 2023

Rare erratic clasts – extraneous rock types occur in the Upper Cretaceous Chalk, including a local basal facies, Cambridge Greensand. The underlying Albian Gault Clay and Hunstanton Red Chalk Formations have also yielded erratics. discovery of these erratics, their description development hypotheses to explain origins significance are reviewed. They became subject scientific interest with inter...

2008
Malvina Lak Dany Azar André Nel Didier Néraudeau Paul Tafforeau

Trichomyia lengleti sp. nov., is described from the Lower Cenomanian amber of La Buzinie, Charente (SW France) from a piece of fully opaque amber. The Upper Albian Trichomyia swinhoei Cockerell, 1917 is transferred from the Trichomyiinae to the Sycoracinae incertae sedis stat. nov. T. lengleti is the oldest representative of the subfamily Trichomyiinae, supporting at least a Cretaceous diversif...

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