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Mesozoic continental vertebrates with associated palynostratigraphic dates from the northwestern Ethiopian plateau

Goodwin, Mark B. ; Clemens, William A. ; Hutchison, J. Howard ; Wood, Craig B. ; Zavada, Michael S. ; Kemp, Anne ; Duffin, Christopher J. ; Schaff, Charles R.

Journal of vertebrate paleontology, 1999-12, Vol.19 (4), p.728-741 [Periódico revisado por pares]

Taylor & Francis Group

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  • Título:
    Mesozoic continental vertebrates with associated palynostratigraphic dates from the northwestern Ethiopian plateau
  • Autor: Goodwin, Mark B. ; Clemens, William A. ; Hutchison, J. Howard ; Wood, Craig B. ; Zavada, Michael S. ; Kemp, Anne ; Duffin, Christopher J. ; Schaff, Charles R.
  • Assuntos: Dinosaurs ; Fauna ; Fossils ; Geology ; Late Jurassic epoch ; Mudstone ; Sandstones ; Teeth ; Vertebrate paleontology ; Vertebrates
  • É parte de: Journal of vertebrate paleontology, 1999-12, Vol.19 (4), p.728-741
  • Descrição: The East African Rift separates the northwestern and southeastern Ethiopian high plateaus, which are capped by massive Cenozoic volcanics overlying thick deposits of marine and nonmarine Mesozoic sediments. During geological mapping projects of the 1920s-1930s, a few Mesozoic vertebrate fossils were found on the southeastern plateau. In contrast, beginning in 1976, and then from 1993 to the present, paleontological field work in the Abay (Blue Nile) River gorge along the eastern edge of the northwestern plateau resulted in the discovery of fossil chondrichthyans (Priohybodus, Hybodus, Rhinobatos), osteichthyans (Lepidotes, cf. Pycnodus), dipnoans (Asiatoceratodus), chelonians (Pelomedusidae, Plesiochelyidae, Pleurosternidae), crocodylians (Goniopholis), dinosaurs, (cf. Acrocanthosaurus, Hypsilophodontidae), pollen and other microfossils documenting a coastal biota in part, if not entirely, of latest Jurassic (Tithonian) age. These fossils include new biogeographic records for Africa and document biostratigraphic range extensions. The Ethiopian Mesozoic fauna adds to the growing evidence of limited interchange of vertebrates between Africa and Western Europe during the transition from the Jurassic into the Cretaceous.
  • Editor: Taylor & Francis Group
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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