bokomslag Trilobites of the Middle Ordovician Elnes Formation of the Oslo Region, Norway
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Trilobites of the Middle Ordovician Elnes Formation of the Oslo Region, Norway

Thomas Hansen

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  • 224 sidor
  • 2009
The highly fossiliferous upper Darriwilian to lower Sandbian Elnes Formation of Norway presents an interesting insight into the general responses and preferences of Lower Palaeozoic faunas belonging to a stable, mud dominated middle to outer shelf environment in connection with a major transgressive to regressive system tract. The rich trilobite fauna consisting of nearly 100 taxa is closely linked to the changes in the environment, being most abundant in a muddy and siliciclastic dominated environment just above storm wave base. The fauna is highly endemic for the region and the remainder of Baltoscania. This monograph presents a taxonomic description of the total trilobite fauna, including a new genus and seven hitherto unknown species. New and extensive biostratigraphical data is presented on the trilobites together with a study on the biogeographical and ecological aspects of the faunas.
  • Författare: Thomas Hansen
  • Format: Pocket/Paperback
  • ISBN: 9781405198844
  • Språk: Engelska
  • Antal sidor: 224
  • Utgivningsdatum: 2009-03-27
  • Förlag: Wiley-Blackwell