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First evidence of a tetrapod footprint from the Triassic of northern Victoria Land, Antarctica
Swedish Museum Nat Hist, Dept Palaeoblol, POB 50007, SE-10405 Stockholm, Sweden.
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Evolution and Developmental Biology.ORCID iD: 0000-0002-4775-5254
Univ Genoa, Dipartimento Sci Terra Ambiente & Vita, Genoa, Italy.ORCID iD: 0000-0001-5770-8569
Fed Inst Geosci & Nat Resources BGR, Hannover, Germany.
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2019 (English)In: Polar Research, ISSN 0800-0395, E-ISSN 1751-8369, Vol. 38, article id 3438Article in journal (Refereed) Published
Abstract [en]

Here, we report on a tetrapod footprint from the Transantarctic Basin in the far north of Victoria Land, which marks the first record of terrestrial vertebrates for this region. The single specimen derives from a previously unknown lithological unit of Middle or Late Triassic age of the Beacon Supergroup in the Helliwell Hills in the central Rennick Glacier area. It differs in both size and morphology clearly from Middle Triassic trackway types from the upper Fremouw Formation of the Queen Alexandra Range in southern Victoria Land, and likely represents a primitive amniote, procolophonid or therapsid. The footprint is the third evidence of fossil vertebrate trackways in Antarctica.

Place, publisher, year, edition, pages
TAYLOR & FRANCIS LTD , 2019. Vol. 38, article id 3438
Keywords [en]
Beacon Supergroup, Helliwell Hills, ichnotaxon, Procolophonichnium, Rennick Glacier, Transantarctic Basin
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Other Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:uu:diva-390290DOI: 10.33265/polar.v38.3438ISI: 000474229100001OAI: oai:DiVA.org:uu-390290DiVA, id: diva2:1349405
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Swedish Research Council, 2012-5323Available from: 2019-09-09 Created: 2019-09-09 Last updated: 2019-09-09Bibliographically approved

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