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First Dinosaurs from Saudi Arabia
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Palaeobiology.
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2013 (English)In: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 8, no 12, e84041- p.Article in journal (Refereed) Published
Abstract [en]

Dinosaur remains from the Arabian subcontinent are exceedingly rare, and those that have been documented manifest indeterminate affinities. Consequently the discovery of a small, but diagnostic, accumulation of elements from Campanian-Maastrichtian (similar to 75 Ma) deposits in northwestern Saudi Arabia is significant because it constitutes the first taxonomically identifiable dinosaur material described from the Arabian Peninsula. The fossils include a series of possible lithostrotian titanosaur caudal vertebrae, and some isolated theropod marginal teeth that share unique character states and metric parameters (analyzed using multivariate statistical methods) with derived abelisaurids - this is the first justifiable example of a non-avian carnivorous dinosaur clade from Arabia. The recognition of titanosaurians and abelisaurids from Saudi Arabia extends the palaeogeographical range of these groups along the entire northern Gondwanan margin during the latest Cretaceous. Moreover, given the extreme paucity of coeval occurrences elsewhere, the Saudi Arabian fossils provide a tantalizing glimpse into dinosaurian assemblage diversity within the region.

Place, publisher, year, edition, pages
2013. Vol. 8, no 12, e84041- p.
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Natural Sciences
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URN: urn:nbn:se:uu:diva-216741DOI: 10.1371/journal.pone.0084041ISI: 000329116700094OAI: oai:DiVA.org:uu-216741DiVA: diva2:691163
Available from: 2014-01-27 Created: 2014-01-24 Last updated: 2017-12-06Bibliographically approved

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Kear, Benjamin P.

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