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Thelodont scales from the Middle-Late Devonian Aztec Siltstone, southern Victoria Land, Antarctica

Published online by Cambridge University Press:  13 May 2004

S. Turner  and
G. C. Young
S. Turner
Affiliation:
Queensland Museum, P.O.Box 300, S. Brisbane, Queensland 4101, Australia
G. C. Young
Affiliation:
Bureau of Mineral Resources, PO Box 378, Canberra City, ACT 2601, Australia
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Abstract

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A new fossil agnathan, Turinia antarctica sp. nov., based on numerous isolated scales, comes from the lower fish-bearing beds of the Aztec Siltstone. Scales from moraine at Mount Suess, originally described as selachian or psammosteid heterostracan, are referred to the new species which shows close affinity with T. gondwana from Bolivia and T. cf. hutkensis from Iran. Reassessment of the biostratigraphy of Middle Devonian turiniid scales suggests that the lower part of the Aztec Siltstone may be of Eifelian age.

Keywords

AgnathaThelodontiDevonianTurinia antarcticaVictoria Land
Type
Papers—Earth Sciences and Glaciology
Information
Antarctic Science , Volume 4 , Issue 1 , March 1992 , pp. 89 - 105
Copyright
© Antarctic Science Ltd 1992