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A gigantic, exceptionally complete titanosaurian sauropod dinosaur from southern Patagonia, Argentina.
Sci Rep. 2014 Sep 04; 4:6196.SR

Abstract

Titanosaurian sauropod dinosaurs were the most diverse and abundant large-bodied herbivores in the southern continents during the final 30 million years of the Mesozoic Era. Several titanosaur species are regarded as the most massive land-living animals yet discovered; nevertheless, nearly all of these giant titanosaurs are known only from very incomplete fossils, hindering a detailed understanding of their anatomy. Here we describe a new and gigantic titanosaur, Dreadnoughtus schrani, from Upper Cretaceous sediments in southern Patagonia, Argentina. Represented by approximately 70% of the postcranial skeleton, plus craniodental remains, Dreadnoughtus is the most complete giant titanosaur yet discovered, and provides new insight into the morphology and evolutionary history of these colossal animals. Furthermore, despite its estimated mass of about 59.3 metric tons, the bone histology of the Dreadnoughtus type specimen reveals that this individual was still growing at the time of death.

Authors+Show Affiliations

Department of Biodiversity, Earth and Environmental Science, Drexel University, 3141 Chestnut Street, Philadelphia, PA 19104, USA.Section of Vertebrate Paleontology, Carnegie Museum of Natural History, 4400 Forbes Avenue, Pittsburgh, PA 15213, USA.Laboratorio de Paleontología, Centro Nacional Patagónico (CENPAT-CONICET), Boulevard Almirante Brown 2915, (9120) Puerto Madryn, Chubut, Argentina.Academy of Natural Sciences of Drexel University, 1900 Benjamin Franklin Parkway, Philadelphia, PA 19103, USA.Department of Biodiversity, Earth and Environmental Science, Drexel University, 3141 Chestnut Street, Philadelphia, PA 19104, USA.Department of Biodiversity, Earth and Environmental Science, Drexel University, 3141 Chestnut Street, Philadelphia, PA 19104, USA.Department of Biodiversity, Earth and Environmental Science, Drexel University, 3141 Chestnut Street, Philadelphia, PA 19104, USA.Department of Biodiversity, Earth and Environmental Science, Drexel University, 3141 Chestnut Street, Philadelphia, PA 19104, USA.Department of Biodiversity, Earth and Environmental Science, Drexel University, 3141 Chestnut Street, Philadelphia, PA 19104, USA.Department of Biodiversity, Earth and Environmental Science, Drexel University, 3141 Chestnut Street, Philadelphia, PA 19104, USA.Faculty of Life Sciences, The University of Manchester, Dover Street, Manchester, M13 9PL, UK.Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University, 2800 Faucette Drive, Raleigh, NC 27695, USA.University of Pittsburgh at Johnstown, 450 Schoolhouse Road, Johnstown, PA 15904, USA.New Jersey State Museum, 205 West State Street, Trenton, NJ 08608, USA.Dixie State College, 225 South 700 East, St. George, UT 84770, USA.Laboratorio de Paleovertebrados, Universidad Nacional de la Patagonia San Juan Bosco, (9000) Comodoro Rivadavia, Chubut, Argentina.Museo Argentino de Ciencias Naturales, Avenida Angel Gallardo 470, (1405) Buenos Aires, Argentina.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.

Language

eng

PubMed ID

25186586

Citation

Lacovara, Kenneth J., et al. "A Gigantic, Exceptionally Complete Titanosaurian Sauropod Dinosaur From Southern Patagonia, Argentina." Scientific Reports, vol. 4, 2014, p. 6196.
Lacovara KJ, Lamanna MC, Ibiricu LM, et al. A gigantic, exceptionally complete titanosaurian sauropod dinosaur from southern Patagonia, Argentina. Sci Rep. 2014;4:6196.
Lacovara, K. J., Lamanna, M. C., Ibiricu, L. M., Poole, J. C., Schroeter, E. R., Ullmann, P. V., Voegele, K. K., Boles, Z. M., Carter, A. M., Fowler, E. K., Egerton, V. M., Moyer, A. E., Coughenour, C. L., Schein, J. P., Harris, J. D., Martínez, R. D., & Novas, F. E. (2014). A gigantic, exceptionally complete titanosaurian sauropod dinosaur from southern Patagonia, Argentina. Scientific Reports, 4, 6196. https://doi.org/10.1038/srep06196
Lacovara KJ, et al. A Gigantic, Exceptionally Complete Titanosaurian Sauropod Dinosaur From Southern Patagonia, Argentina. Sci Rep. 2014 Sep 4;4:6196. PubMed PMID: 25186586.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A gigantic, exceptionally complete titanosaurian sauropod dinosaur from southern Patagonia, Argentina. AU - Lacovara,Kenneth J, AU - Lamanna,Matthew C, AU - Ibiricu,Lucio M, AU - Poole,Jason C, AU - Schroeter,Elena R, AU - Ullmann,Paul V, AU - Voegele,Kristyn K, AU - Boles,Zachary M, AU - Carter,Aja M, AU - Fowler,Emma K, AU - Egerton,Victoria M, AU - Moyer,Alison E, AU - Coughenour,Christopher L, AU - Schein,Jason P, AU - Harris,Jerald D, AU - Martínez,Rubén D, AU - Novas,Fernando E, Y1 - 2014/09/04/ PY - 2014/04/01/received PY - 2014/07/30/accepted PY - 2014/9/5/entrez PY - 2014/9/5/pubmed PY - 2015/10/31/medline SP - 6196 EP - 6196 JF - Scientific reports JO - Sci Rep VL - 4 N2 - Titanosaurian sauropod dinosaurs were the most diverse and abundant large-bodied herbivores in the southern continents during the final 30 million years of the Mesozoic Era. Several titanosaur species are regarded as the most massive land-living animals yet discovered; nevertheless, nearly all of these giant titanosaurs are known only from very incomplete fossils, hindering a detailed understanding of their anatomy. Here we describe a new and gigantic titanosaur, Dreadnoughtus schrani, from Upper Cretaceous sediments in southern Patagonia, Argentina. Represented by approximately 70% of the postcranial skeleton, plus craniodental remains, Dreadnoughtus is the most complete giant titanosaur yet discovered, and provides new insight into the morphology and evolutionary history of these colossal animals. Furthermore, despite its estimated mass of about 59.3 metric tons, the bone histology of the Dreadnoughtus type specimen reveals that this individual was still growing at the time of death. SN - 2045-2322 UR - https://www.unboundmedicine.com/medline/citation/25186586/A_gigantic_exceptionally_complete_titanosaurian_sauropod_dinosaur_from_southern_Patagonia_Argentina_ L2 - https://doi.org/10.1038/srep06196 DB - PRIME DP - Unbound Medicine ER -