نتایج جستجو برای: biostratigraphy

تعداد نتایج: 1134  

Journal: :Rapport Grønlands Geologiske Undersøgelse 1989

2007
SPENCER G. LUCAS JUSTIN A. SPIELMANN ADRIAN P. HUNT

The Krasiejów locality in the Upper Triassic of southern Poland yields the tetrapod taxa Cyclotosaurus robustus (= C. intermedius), Metoposaurus diagnosticus (we reject proposed subspecies of this species), Stagonolepis robertsoni, Teratosaurus suevicus (= T. silesiacus), Parasuchus bransoni and Silesaurus opolensis. The occurrences of Parasuchus and Metoposaurus indicate the Krasiejów assembla...

2011
Michael E. Schudack

Biostratigraphy and paleoecology of the famous dinosaur beds of Tendaguru Formation, Tanzania, East Africa are still under discussion. Calcareous microfossils have not yet contributed to this question . Four samples from the Middle Dinosaur Member have now yielded charophyte gyrogonites of the species Aclistochara c£ bransonii, Aclistochara cf. minor, Mesochara canellata, and Mesochara harrisi....

Journal: :Carnets de Géologie 2021

The biostratigraphic distribution of orbitolinids for the Barremian SE France proposed hereafter is calibrated on ammonite biozonation. This work based study eleven sections with associated to macrofossils (ammonites and/or echinids) significant in terms biostratigraphy or overlain levels bearing above macrofossils.

Journal: :Frontiers in Ecology and Evolution 2019

Journal: :Revista Mexicana de Ciencias Geológicas 2018

Journal: :Geological Survey of Denmark and Greenland (GEUS) Bulletin 2008

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