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Serendipaceratops arthurcclarkei Rich & Vickers-Rich, 2003 is an Australian Early Cretaceous ceratopsian
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Palaeobiology.
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2014 (English)In: Alcheringa, ISSN 0311-5518, E-ISSN 1752-0754, Vol. 38, no 4, 456-479 p.Article in journal (Refereed) Published
Abstract [en]

Rich, T.H., Kear, B.P., Sinclair, R., Chinnery, B., Carpenter, K., McHugh, M.L. & Vickers-Rich, P., 2014. Serendipaceratops arthurcclarkei Rich & Vickers-Rich, 2003 is an Australian Early Cretaceous ceratopsian. Alcheringa 38, 456-479. ISSN 0311-5518.Serendipaceratops arthurcclarkei is one of Australia's most enigmatic dinosaur taxa. Based on a single ulna recovered from Early Cretaceous high-latitude deposits in southeastern Australia, the fossil was originally classified as a neoceratopsian, but subsequently reassigned to Genasauria indet. because of comparisons with atypical thyreophorans. However, a morphometric and structural re-examination of the holotype indicates that it is proportionally distinguishable among dinosaurians and, indeed, manifests decisive statistical compatibility with ceratopsians. Statistical assessment similarly yields a synapomorphy that places the taxon robustly within Ceratopsia. Most certainly, identification of a unique differential character state combination renders S. arthurcclarkei as valid. Its affinity with ceratopsians concurs with proliferating records of other Laurasian dinosaur lineages from the Southern Hemisphere, and may reflect ancient Pangaean dispersals into or out of Gondwana.

Place, publisher, year, edition, pages
2014. Vol. 38, no 4, 456-479 p.
Keyword [en]
Ceratopsia, Ankylosauria, morphometrics, Aptian, Gondwana
National Category
Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:uu:diva-237313DOI: 10.1080/03115518.2014.894809ISI: 000343419000002OAI: oai:DiVA.org:uu-237313DiVA: diva2:767576
Available from: 2014-12-01 Created: 2014-12-01 Last updated: 2017-12-05Bibliographically approved

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Kear, Benjamin P.

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