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New evidence of large Permo-Triassic dicynodonts (Synapsida) from Australia

Citation

Rozefelds, AC and Warren, A and Whitfield, A and Bull, S, New evidence of large Permo-Triassic dicynodonts (Synapsida) from Australia, Journal of Vertebrate Paleontology, 31, (5) pp. 1158-1162. ISSN 0272-4634 (2011) [Refereed Article]


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The definitive published version is available online at: http://www.tandf.co.uk/journals

DOI: doi:10.1080/02724634.2011.595858

Abstract

Dicynodonts are herbivorous synapsids found in Permian and Triassic deposits in all of the Pangean continents. The fossil evidence of this group from Australia is limited to a quadrate, part of a tusk (Thulborn, 1983a, 1990), and a partial femur (Northwood, 1997), all recorded from the earliest Triassic Arcadia Formation in central Queensland. Thulborn (1983a, 1983b, 1990) attributed the quadrate from the Arcadia Formation to the Kannemeyeriidae, a taxon commonly found in Middle Triassic rocks worldwide. This identification was disputed by King (1983) because of the earliest Triassic age. Northwood (1997) attributed the femur to the earliest Triassic genus Lystrosaurus.Dicynodont footprints have been identified in Early Triassic strata of the Sydney Basin (Retallack, 1996). Fragments of a skull from the Lower Cretaceous of Queensland have also been attributed to dicynodonts (Thulborn and Turner, 2003). In this paper we report on the first dicynodont material recovered from Tasmania, and describe its sedimentary context and its paleogeographic significance in comparison to other Permian and Triassic dicynodonts.

Item Details

Item Type:Refereed Article
Keywords:Permo-Triassic dicynodont Australia
Research Division:Earth Sciences
Research Group:Geology
Research Field:Palaeontology (incl. Palynology)
Objective Division:Expanding Knowledge
Objective Group:Expanding Knowledge
Objective Field:Expanding Knowledge in the Earth Sciences
Author:Bull, S (Dr Stuart Bull)
ID Code:74913
Year Published:2011
Web of Science® Times Cited:2
Deposited By:Earth Sciences
Deposited On:2011-12-15
Last Modified:2012-05-01
Downloads:0

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