文章基本信息

标题：First evidence of a tetrapod footprint from the Triassic of northern Victoria Land, Antarctica
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作者：Thomas Mörs ; Grzegorz Niedźwiedzki ; Laura Crispini 等
期刊名称：Polar Research
印刷版ISSN：1751-8369
出版年度：2019
卷号：38
页码：1-5
DOI：10.33265/polar.v38.3438
出版社：Co-Action Publishing
摘要：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.
其他摘要：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.
关键词：Beacon Supergroup; Helliwell Hills; ichnotaxon; Procolophonichnium; Rennick Glacier; Transantarctic Basin
其他关键词：Beacon Supergroup;Helliwell Hills;ichnotaxon;Procolophonichnium;Rennick Glacier;Transantarctic Basin