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A probable skeleton of Isisfordia (Crocodyliformes) and additional crocodyliform remains from the Griman Creek Formation (Cenomanian, New South Wales, Australia)

Published online by Cambridge University Press:  20 November 2020

Lachlan J. Hart Open the ORCID record for Lachlan J. Hart [Opens in a new window] ,
Phil R. Bell ,
Elizabeth T. Smith ,
D. Rex Mitchell ,
Tom Brougham  and
Steven W. Salisbury
Lachlan J. Hart
Affiliation:
Palaeoscience Research Centre, School of Environmental and Rural Science, University of New England, Armidale, New South Wales, Australia , Australian Museum Research Institute, Sydney, New South Wales, Australia PANGEA Research Centre, School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, New South Wales, Australia
Phil R. Bell
Affiliation:
Palaeoscience Research Centre, School of Environmental and Rural Science, University of New England, Armidale, New South Wales, Australia ,
Elizabeth T. Smith
Affiliation:
Australian Opal Centre, Lightning Ridge, New South Wales, Australia
D. Rex Mitchell
Affiliation:
Center for Anatomical Sciences, University of North Texas Health Science Center
Tom Brougham
Affiliation:
Palaeoscience Research Centre, School of Environmental and Rural Science, University of New England, Armidale, New South Wales, Australia ,
Steven W. Salisbury
Affiliation:
School of Biological Sciences, The University of Queensland, Brisbane, Queensland, Australia
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Abstract

The sparse record of Cretaceous crocodyliforms in Australia comprises only three species, all within the genus Isisfordia. Isisfordia duncani Salisbury et al., 2006 is from the Albian–Turonian Winton Formation of Queensland, and both Isisfordia molnari Hart et al., 2019 and Isisfordia selaslophensis Etheridge, 1917 have been described from opalized material from the Cenomanian Griman Creek Formation of New South Wales. Here, we describe new cranial and postcranial material, including the most complete crocodyliform skeleton from the Cretaceous of New South Wales, which is assigned to Isisfordia cf. I. selaslophensis. We also reappraise previously described crocodyliform material from the same locality. We find that much of this material displays features that are consistent with Isisfordia.

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Journal of Paleontology , Volume 95 , Issue 2 , March 2021 , pp. 351 - 366
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Copyright © The Author(s), 2020. Published by Cambridge University Press on behalf of The Paleontological Society

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