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The earliest dromaeosaurid theropod from South America
A near-complete, small dromaeosaurid is described that is both the most complete and the earliest member of the Maniraptora from South America and which provides new evidence for a unique Gondwanan lineage of DromaeOSauridae with an origin predating the separation between northern and southern landmasses.
Evolution of the carnivorous dinosaurs during the Cretaceous: The evidence from Patagonia
A reappraisal of the Cretaceous non-avian dinosaur faunas from Australia and New Zealand: evidence for their Gondwanan affinities
It has often been assumed that Australasian Cretaceous dinosaur faunas were for the most part endemic, but with some Laurasian affinities. In this regard, some Australasian dinosaurs have been…
Juvenile specimen of Megaraptor (Dinosauria, Theropoda) sheds light about tyrannosauroid radiation
New carnivorous dinosaur from the Late Cretaceous of NW Patagonia and the evolution of abelisaurid theropods
It is suggested that isolated teeth originally referred as post-Cenomanian Carcharodontosauridae most probably belong to abelisaurids, and the development of horn-like structures and differential cranial thickening appear to be convergently acquired within Abelisauridae.
New alvarezsaurid (Dinosauria, Theropoda) from uppermost Cretaceous of north-western Patagonia with associated eggs
A new global palaeobiogeographical model for the late Mesozoic and early Tertiary.
A new biogeographical model for late Mesozoic terrestrial ecosystems is proposed in which Europe and "Gondwanan" territories possessed a common Eurogondwanans fauna during the earliest Cretaceous, and tree reconciliation analyses (TRAs) were performed based onBiogeographical signals provided by a supertree of late Meszoic archosaurs.
A Megaraptor-like theropod (Dinosauria: Tetanurae) in Australia: support for faunal exchange across eastern and western Gondwana in the Mid-Cretaceous
- N. Smith, P. Makovicky, F. Agnolin, M. Ezcurra, D. Pais, S. Salisbury
- Environmental Science, GeographyProceedings of the Royal Society B: Biological…
- 22 September 2008
This ulna from the Early Cretaceous Eumeralla Formation of Australia is described, representing the first Australian non-avian theropod with unquestionable affinities to taxa from other Gondwanan landmasses, suggesting faunal interchange between eastern and western Gondwana during the Mid-Cretaceous.
Afrotherian affinities for endemic South American “ungulates”