RESEARCH ARTICLE A New Megaraptoran Dinosaur (Dinosauria, Theropoda, Megaraptoridae) from the Late Cretaceous of Patagonia Rodolfo A. Coria1,2,3☯*, Philip J. Currie4☯ 1 Consejo Nacional de Investigaciones Científicas y Técnicas, Gral. Roca, Argentina, 2 Universidad Nacional de Río Negro, Gral. Roca, Argentina, 3 Secretaria de Estado de Cultura de Neuquén, Museo Carmen Funes, Plaza Huincul, Neuquén, Argentina, 4 University of Alberta, Edmonton, Alberta, Canada a11111 ☯ These authors contributed equally to this work. *
[email protected] Abstract A skeleton discovered in the Upper Cretaceous Sierra Barrosa Formation (Turonian-Conia- OPEN ACCESS cian) of Neuquén Province, Argentina represents a new species of theropod dinosaur Citation: Coria RA, Currie PJ (2016) A New related to the long snouted, highly pneumatized Megaraptoridae. The holotype specimen of Megaraptoran Dinosaur (Dinosauria, Theropoda, Murusraptor barrosaensis n.gen et n.sp. (MCF-PVPH-411) includes much of the skull, axial Megaraptoridae) from the Late Cretaceous of skeleton, pelvis and tibia. Murusraptor is unique in having several diagnostic features that Patagonia. PLoS ONE 11(7): e0157973. doi:10.1371/ include anterodorsal process of lacrimal longer than height of preorbital process, and a journal.pone.0157973 thick, shelf-like thickening on the lateral surface of surangular ventral to the groove between Editor: Leon Claessens, College of the Holy Cross, the anterior surangular foramen and the insert for the uppermost intramandibular process UNITED STATES of the dentary. Other characteristic features of Murusraptor barrosaensis n.gen. et n. sp. Received: January 4, 2016 include a large mandibular fenestra, distal ends of caudal neural spines laterally thickened Accepted: June 8, 2016 into lateral knob-like processes, short ischia distally flattened and slightly expanded dorso- Published: July 20, 2016 ventrally.