| Aristonectes quiriquinensis, sp. nov., a new highly derived elasmosaurid from the upper Maastrichtian of central Chile RA Otero, S Soto-Acuña, FR O'Keefe, JP O’Gorman, W Stinnesbeck, ... Journal of Vertebrate Paleontology 34 (1), 100-125, 2014 | 81 | 2014 |
| Cranial anatomy of Morturneria seymourensis from Antarctica, and the evolution of filter feeding in plesiosaurs of the Austral Late Cretaceous FR O'Keefe, RA Otero, S Soto-Acuña, JP O'gorman, SJ Godfrey, ... Journal of vertebrate Paleontology 37 (4), e1347570, 2017 | 58 | 2017 |
| A postcranial skeleton of an elasmosaurid plesiosaur from the Maastrichtian of central Chile, with comments on the affinities of Late Cretaceous plesiosauroids from the … RA Otero, S Soto-Acuña, D Rubilar-Rogers Cretaceous Research 37, 89-99, 2012 | 58 | 2012 |
| A Late Eocene age proposal for the Loreto Formation (Brunswick Peninsula, southernmost Chile), based on fossil cartilaginous fishes, paleobotany and radiometric evidence RA Otero, T Torres, JP Le Roux, F Hervé, CM Fanning, RE Yury-Yáñez, ... Andean Geology 39 (1), 180-200, 2012 | 58 | 2012 |
| Taxonomic reassessment of Hydralmosaurus as Styxosaurus: new insights on the elasmosaurid neck evolution throughout the Cretaceous RA Otero PeerJ 4, e1777, 2016 | 56 | 2016 |
| Burdigalian deposits of the Santa Cruz Formation in the Sierra Baguales, Austral (Magallanes) Basin: Age, depositional environment and vertebrate fossils JE Bostelmann, JP Le Roux, A Vásquez, NM Gutiérrez, JL Oyarzún, ... Andean Geology 40 (3), 458-489, 2013 | 51 | 2013 |
| Neoselachians and Chimaeriformes (Chondrichthyes) from the latest Cretaceous–Paleogene of Sierra Baguales, southernmost Chile. Chronostratigraphic, paleobiogeographic and … RA Otero, JL Oyarzún, S Soto-Acuña, RE Yury-Yáñez, NM Gutierrez, ... Journal of South American Earth Sciences 48, 13-30, 2013 | 47 | 2013 |
| Eocene birds from the western margin of southernmost South America MA Sallaberry, RE Yury-Yáñez, RA Otero, S Soto-Acuña, TG Torres Journal of Paleontology 84 (6), 1061-1070, 2010 | 45 | 2010 |
| Alexandronectes zealandiensis gen. et sp. nov., a new aristonectine plesiosaur from the lower Maastrichtian of New Zealand RA Otero, JP O'Gorman, N Hiller, FR O'Keefe, RE Fordyce Journal of Vertebrate Paleontology 36 (2), e1054494, 2016 | 33 | 2016 |
| Osteology of Aristonectes quiriquinensis (Elasmosauridae, Aristonectinae) from the upper Maastrichtian of central Chile RA Otero, S Soto-Acuña, FR O'keefe Journal of Vertebrate Paleontology 38 (1), e1408638, 2018 | 30 | 2018 |
| Estuary deposits in the Río Baguales Formation (Chattian-Aquitanean), Magallanes Province, Chile JP Le Roux, J Puratich, FA Mourgues, JL Oyarzún, RA Otero, T Torres, ... Andean Geology 37 (2), 329-344, 2010 | 29 | 2010 |
| Redescription of Tuarangisaurus keyesi (Sauropterygia; Elasmosauridae), a key species from the uppermost Cretaceous of the Weddellian Province: Internal skull anatomy and … JP O'Gorman, RA Otero, N Hiller, J Simes, M Terezow Cretaceous Research 71, 118-136, 2017 | 27 | 2017 |
| A sea turtle skull from the Cretaceous of Chile with comments on the taxonomy and biogeography of Euclastes (formerly Osteopygis) JF Parham, RA Otero, ME Suárez Cretaceous Research 49, 181-189, 2014 | 26 | 2014 |
| A new species of chimaeriform (Chondrichthyes, Holocephali) from the uppermost Cretaceous of the López de Bertodano Formation, Isla Marambio (Seymour Island), Antarctica RA Otero, D Rubilar-Rogers, RE Yury-Yañez, AO Vargas, CS Gutstein, ... Antarctic Science 25 (1), 99-106, 2013 | 26 | 2013 |
| Additions to the diversity of elasmosaurid plesiosaurs from the Upper Cretaceous of Antarctica RA Otero, S Soto-Acuña, AO Vargas, D Rubilar-Rogers, RE Yury-Yáñez, ... Gondwana Research 26 (2), 772-784, 2014 | 25 | 2014 |
| A reappraisal of the Late Cretaceous Weddellian plesiosaur genus Mauisaurus Hector, 1874 N Hiller, JP O’Gorman, RA Otero, AA Mannering New Zealand Journal of Geology and Geophysics 60 (2), 112-128, 2017 | 24 | 2017 |
| A giant elasmosaurid (Sauropterygia; Plesiosauria) from Antarctica: new information on elasmosaurid body size diversity and aristonectine evolutionary scenarios JP O'gorman, S Santillana, R Otero, M Reguero Cretaceous Research 102, 37-58, 2019 | 23 | 2019 |
| New elasmosaurids (Sauropterygia, Plesiosauria) from the Late Cretaceous of the Magallanes Basin, Chilean Patagonia: Evidence of a faunal turnover during the Maastrichtian … RA Otero, S Soto Acuña, C Salazar, JL Oyarzún Andean Geology 42 (2), 237-267, 2015 | 23 | 2015 |
| Elephant seal (Mirounga sp.) from the Pleistocene of the Antofagasta Region, northern Chile AM Valenzuela-Toro, CS Gutstein, ME Suárez, R Otero, ND Pyenson Journal of Vertebrate Paleontology 35 (3), e918883, 2015 | 22 | 2015 |
| New chondrichthyans from the Upper Cretaceous (Campanian–Maastrichtian) of Seymour and James Ross islands, Antarctica RA Otero, CS Gutstein, A Vargas, D Rubilar-Rogers, R Yury-Yañez, ... Journal of Paleontology 88 (3), 411-420, 2014 | 22 | 2014 |
