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First evidence of a Late Cretaceous sea turtle from Australia
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Palaeobiology.
2010 (English)In: Alcheringa, ISSN 0311-5518, E-ISSN 1752-0754, Vol. 34, no 3, 265-272 p.Article in journal (Refereed) Published
Abstract [en]

The isolated scapula of a chelonioid sea turtle is described from the Upper Cretaceous (upper Maastrichtian) Miria Formation of the Giralia Ranges in Western Australia. Character states including the wide angle of divergence between the scapular processes (possibly reaching 140 degrees), projection of the glenoid on a constricted scapular neck, and highly vascular glenoid articular surfaces suggest affinity with dermochelyoidsthe most diverse and geographically widespread clade of Mesozoic chelonioids. The Miria Formation chelonioid scapula constitutes the first definitive record of a Late Cretaceous sea turtle from Australia and is one of the few occurrences thus far documented from Upper Cretaceous-Paleogene deposits in the Southern Hemisphere.

Place, publisher, year, edition, pages
2010. Vol. 34, no 3, 265-272 p.
Keyword [en]
Dermochelyoid, Miria Formation, Maastrichtian, high palaeolatitude
National Category
Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:uu:diva-135420DOI: 10.1080/03115511003659622ISI: 000281065400005OAI: oai:DiVA.org:uu-135420DiVA: diva2:375012
Available from: 2010-12-07 Created: 2010-12-06 Last updated: 2017-12-11Bibliographically approved

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Kear, Benjamin P.

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