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New vertebrate assemblages from the Andrée Land Group, Spitsbergen, and their biostratigraphic significance
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Evolution and Developmental Biology. (Per Ahlberg's Group)
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Evolution and Developmental Biology. (Per Ahlberg's Group)
National Museum of Natural History, France. (CNRS UMR 7207 CR2P)
Vilnius University. (Department of Geology and Mineralogy)
2010 (English)In: Programme and Abstracts: The Palaeontological Association: 54th Annual Meeting 17th–20th December 2010: Ghent University, 2010, 80-81 p.Conference paper, Published paper (Other academic)
Abstract [en]

The Lower and Middle Devonian successions of Spitsbergen provide excellent examples of vertebrate biostratigraphy applied to sedimentary basin analysis. A number of previous works on the Red Bay Group (Lochkovian, Lower Devonian) made a notable study of the earliest Devonian vertebrate record, and their use in biostratigraphy. Our current study concerns the Lower to Middle Devonian of the Andrée Land Group, which comprises the Wood Bay Formation, spanning from Pragian to Emsian in age, and the Grey Hoek Formation, representing the Eifelian. It consists of thick layers of terrigenous sediments, the stratigraphy is largely based on the lithofacies.

Two new thelodont assemblages are considered to represent different depostional phases of the late Lower - early Middle Devonian of the Andrée Land Group. The first, older assemblage comprises turiinid, talivaliid, and furcacaudid thelodonts, and identifies the lower Wood Bay Formation. The second, younger assemblage is prevailed by the talivaliid thelodont <i>Amaltheolepis winsnesi</i>, and is characteristic for the upper Wood Bay Fm., as well as the lower Grey Hoek Fm. The recognition of these two new thelodont assemblages allows us to precise the relative age of the Lower – Middle Devonian strata.

Place, publisher, year, edition, pages
2010. 80-81 p.
National Category
Natural Sciences
Research subject
Earth Science with specialization in Historical Geology and Palaeontology
Identifiers
URN: urn:nbn:se:uu:diva-166623OAI: oai:DiVA.org:uu-166623DiVA: diva2:476977
Conference
The Palaeontological Association 54th Annual Meeting, Ghent, 17th–20th December, 2010
Available from: 2012-01-12 Created: 2012-01-12 Last updated: 2017-01-25Bibliographically approved

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Žigaitė, ŽivilėBlom, Henning

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