All Stories

  1. High browsing skeletal adaptations in Spinophorosaurus reveal an evolutionary innovation in sauropod dinosaurs

    Article • Scientific Reports, April 2020, Springer Science + Business Media

    Francisco Ortega

  2. Sauropodomorph skeletal mounts as scientific devices for testing hypotheses

    Article • Journal of Iberian Geology, March 2020, Springer Science + Business Media

    Francisco Ortega

  3. Neuroanatomical and neurosensorial analysis of the Late Cretaceous basal eusuchian Agaresuchus fontisensis (Cuenca, Spain)

    Article • Papers in Palaeontology, January 2020, Wiley

    Francisco Ortega

  4. Ontogenetic similarities between giraffe and sauropod neck osteological mobility

    Article • PLoS ONE, January 2020, PLOS

    Francisco Ortega

  5. On the validity of the Middle Triassic sauropterygian ‘Partanosaurus zitteli’ and the diversity of Simosauridae

    Article • Journal of Vertebrate Paleontology, September 2019, Taylor & Francis

    Francisco Ortega

  6. Spatiotemporal palaeodiversity patterns of modern crocodiles (Crocodyliformes: Eusuchia)

    Article • Zoological Journal of the Linnean Society, July 2019, Oxford University Press (OUP)

    Francisco Ortega

  7. New diagnosis for Allodaposuchus precedens, the type species of the European Upper Cretaceous clade Allodaposuchidae

    Article • Zoological Journal of the Linnean Society, May 2019, Oxford University Press (OUP)

    Francisco Ortega

  8. A new macronarian sauropod from the Upper Jurassic of Portugal

    Article • Journal of Vertebrate Paleontology, May 2019, Taylor & Francis

    Dr Francisco Ortega, Francisco Ortega

  9. Brain and pneumatic cavities of the braincase of the basal alligatoroid Diplocynodon tormis (Eocene, Spain)

    Article • Journal of Vertebrate Paleontology, April 2019, Taylor & Francis

    Dr Francisco Ortega, Francisco Ortega

  10. A new and complete peirosaurid (Crocodyliformes, Notosuchia) from Sierra Barrosa (Santonian, Upper Cretaceous) of the Neuquén Basin, Argentina

    Article • Cretaceous Research, March 2019, Elsevier

    Francisco Ortega

  11. Axial osteology of Concavenator corcovatus (Theropoda; Carcharodontosauria) from the Lower Cretaceous of Spain

    Article • Cretaceous Research, March 2019, Elsevier

    Francisco Ortega

  12. New remains from the Spanish Cenomanian shed light on the Gondwanan origin of European Early Cretaceous titanosaurs

    Article • Cretaceous Research, March 2019, Elsevier

    Francisco Ortega

  13. New spinosaurid (Theropoda, Megalosauroidea) remains from the Arcillas de Morella Formation (upper Barremian) of Morella, Spain

    Article • December 2018, Elsevier

    Francisco Ortega

  14. Appendicular osteology of Concavenator corcovatus (Theropoda; Carcharodontosauridae; Early Cretaceous; Spain)

    Article • Journal of Vertebrate Paleontology, October 2018, Taylor & Francis

    Francisco Ortega, Dr Francisco Ortega, Elena Cuesta

  15. Plesiosauria remains from the Barremian of Morella (Castellón, Spain) and first identification of Leptocleididae in the Iberian record

    Article • Cretaceous Research, October 2018, Elsevier

    Francisco Ortega

  16. Carcharodontosaurian remains (Dinosauria, Theropoda) from the Upper Jurassic of Portugal

    Article • Journal of Paleontology, September 2018, Cambridge University Press

    Francisco Ortega

  17. Inner skull cavities of the basal eusuchian Lohuecosuchus megadontos (Upper Cretaceous, Spain) and neurosensorial implications

    Article • Cretaceous Research, September 2018, Elsevier

    Francisco Ortega

  18. New highly pachyostotic nothosauroid interpreted as a filter-feeding Triassic marine reptile

    Article • Proceedings of the Royal Society B Biological Sciences, August 2018, Royal Society Publishing

    Francisco Ortega

  19. A new dicraeosaurid sauropod from the Lower Cretaceous (Mulichinco Formation, Valanginian, Neuquén Basin) of Argentina

    Article • August 2018, Elsevier

    Francisco Ortega

  20. The cranial osteology of Concavenator corcovatus (Theropoda; Carcharodontosauria) from the Lower Cretaceous of Spain

    Article • Cretaceous Research, June 2018, Elsevier

    Francisco Ortega

  21. A new placodont from the Upper Triassic of Spain provides new insights on the acquisition of the specialized skull of Henodontidae

    Article • Papers in Palaeontology, May 2018, Wiley

    Francisco Ortega

  22. The placodonts (Sauropterygia) from the Middle Triassic of Canales de Molina (Central Spain), and an update on the knowledge about this clade in the Iberian record

    Article • Historical Biology, April 2018, Taylor & Francis

    Francisco Ortega

  23. Identification of the French Upper Cretaceous bothremydid turtle Foxemys mechinorum in the Spanish record

    Article • Geobios, April 2018, Elsevier

    Francisco Ortega

  24. A diminutive perinate European Enantiornithes reveals an asynchronous ossification pattern in early birds

    Article • Nature Communications, March 2018, Nature

    Francisco Ortega

  25. Cranial variability of the European Middle Triassic sauropterygian Simosaurus gaillardoti

    Article • Acta Palaeontologica Polonica, January 2018, Polska Akademia Nauk Instytut Paleobiologii (Institute of Paleobiology, Polish Academy of Sciences)

    Francisco Ortega

  26. Case 3743 — Allodaposuchus precedens Nopcsa, 1928 (Crocodyliformes: Eusuchia: Allodaposuchidae): proposed designation of a neotype

    Article • The Bulletin of zoological nomenclature, August 2017, The Bulletin of Zoological Nomenclature

    Francisco Ortega

  27. High sauropod diversity in the upper Barremian Arcillas de Morella Formation (Maestrat Basin, Spain) revealed by a systematic review of historical material

    Article • Journal of Iberian Geology, June 2017, Springer Science + Business Media

    Francisco Ortega

  28. The eosauropterygian fossils from the Middle Triassic of Canales de Molina (Guadalajara, Spain)

    Article • Journal of Iberian Geology, June 2017, Springer Science + Business Media

    Francisco Ortega

  29. Analysis and phylogenetic status of the eusuchian fragmentary material from Western Europe assigned to Allodaposuchus precedens

    Article • Journal of Iberian Geology, June 2017, Springer Science + Business Media

    Francisco Ortega

  30. Analysis of diversity, stratigraphic and geographical distribution of isolated theropod teeth from the Upper Jurassic of the Lusitanian Basin, Portugal

    Article • Journal of Iberian Geology, June 2017, Springer Science + Business Media

    Francisco Ortega

  31. Systematic study of the historical material of Upper Cretaceous reptiles from the Tremp Basin (Catalonia, Spain) housed at the Museo Nacional de Ciencias Naturales (Madrid)

    Article • Journal of Iberian Geology, June 2017, Springer Science + Business Media

    Francisco Ortega

  32. The oldest turtle from Portugal corresponding to the only pre-Kimmeridgian plesiochelyid (basal Eucryptodira) recognized at the generic level

    Article • Historical Biology, May 2017, Taylor & Francis

    Francisco Ortega

  33. Geological and Palaeontological context of three new Barremian (Lower Cretaceous) vertebrate sites in the Iberian Peninsula (Cuenca Province, Central Spain)

    Article • Proceedings of the Geologists Association, April 2017, Elsevier

    Francisco Ortega

  34. Sauropod tooth morphotypes from the Upper Jurassic of the Lusitanian Basin (Portugal)

    Article • Papers in Palaeontology, March 2017, Wiley

    Francisco Ortega

  35. New data on the anatomy of Torvosaurus and other remains of megalosauroid (Dinosauria, Theropoda) from the Upper Jurassic of Portugal

    Article • Journal of Iberian Geology, March 2017, Springer Science + Business Media

    Francisco Ortega

  36. The internal anatomy of titanosaur osteoderms from the Upper Cretaceous of Spain is compatible with a role in oogenesis

    Article • Scientific Reports, February 2017, Nature

    Francisco Ortega

  37. First occurrences of non-neosauropod eusauropod procoelous caudal vertebrae in the Portuguese Upper Jurassic record

    Article • Geobios, January 2017, Elsevier

    Francisco Ortega

  38. Upper Jurassic sauropod record in the Lusitanian Basin (Portugal): Geographical and lithostratigraphical distribution

    Article • Palaeontologia Electronica, January 2017, Coquina Press

    Francisco Ortega

  39. A new titanosaur (Dinosauria, Sauropoda) from the Upper Cretaceous of Lo Hueco (Cuenca, Spain)

    Article • Cretaceous Research, December 2016, Elsevier

    Francisco Ortega

  40. New data of the Portuguese brachiosaurid Lusotitan atalaiensis (Sobral Formation, Upper Jurassic)

    Article • Historical Biology, November 2016, Taylor & Francis

    Francisco Ortega

  41. New Spanish Late Cretaceous eusuchian reveals the synchronic and sympatric presence of two allodaposuchids

    Article • Cretaceous Research, October 2016, Elsevier

    Francisco Ortega

  42. A juvenile allosauroid theropod (Dinosauria, Saurischia) from the Upper Jurassic of Portugal

    Article • Historical Biology, September 2016, Taylor & Francis

    Francisco Ortega

  43. Taxonomy, systematics, and diversity of the European oldest testudinids

    Article • Zoological Journal of the Linnean Society, June 2016, Oxford University Press (OUP)

    Francisco Ortega

  44. First Triassic tetrapod (Sauropterygia, Nothosauridae) from Castilla y León: evidence of an unknown taxon for the Spanish record

    Article • Journal of Iberian Geology, June 2016, Universidad Complutense de Madrid (UCM)

    Francisco Ortega

  45. New data on Late Jurassic sauropods of central and northern sectors of the Bombarral Sub-basin (Lusitanian Basin, Portugal)

    Article • Historical Biology, February 2016, Taylor & Francis

    Francisco Ortega

  46. A review of the upper Campanian vertebrate site of Armuña (Segovia Province, Spain)

    Article • Cretaceous Research, January 2016, Elsevier

    Francisco Ortega

  47. A New Sail-Backed Styracosternan (Dinosauria: Ornithopoda) from the Early Cretaceous of Morella, Spain

    Article • PLoS ONE, December 2015, PLOS

    Francisco Ortega

  48. New Crocodyliforms from Southwestern Europe and Definition of a Diverse Clade of European Late Cretaceous Basal Eusuchians

    Article • PLoS ONE, November 2015, PLOS

    Francisco Ortega

  49. A diverse Late Triassic tetrapod fauna from Manzanera (Teruel, Spain)

    Article • Geobios, November 2015, Elsevier

    Francisco Ortega

  50. A New Titanosaurian Braincase from the Cretaceous “Lo Hueco” Locality in Spain Sheds Light on Neuroanatomical Evolution within Titanosauria

    Article • PLoS ONE, October 2015, PLOS

    Francisco Ortega

  51. Did all theropods have chicken-like feet? First evidence of a non-avian dinosaur podotheca

    Article • Cretaceous Research, September 2015, Elsevier

    Francisco Ortega

  52. Turiasauria-like teeth from the Upper Jurassic of the Lusitanian Basin, Portugal

    Article • Historical Biology, June 2015, Taylor & Francis

    Francisco Ortega

  53. Late cretaceous continental and marine vertebrate assemblages from the Laño quarry (Basque-Cantabrian Region, Iberian Peninsula): an update

    Article • Journal of Iberian Geology, May 2015, Universidad Complutense de Madrid (UCM)

    Francisco Ortega

  54. The biota of the Upper Cretaceous site of “Lo Hueco” (Cuenca, Spain)

    Article • Journal of Iberian Geology, May 2015, Universidad Complutense de Madrid (UCM)

    Francisco Ortega

  55. New theropod remains from the Tiourarén Formation (?Middle Jurassic, Niger) and their bearing on the dental evolution in basal tetanurans

    Article • Proceedings of the Geologists Association, February 2015, Elsevier

    Francisco Ortega

  56. Titanosaurian teeth from the Upper Cretaceous of “Lo Hueco” (Cuenca, Spain)

    Article • Cretaceous Research, September 2014, Elsevier

    Dr Francisco Ortega, Francisco Ortega

  57. Titanosaur Osteoderms from the Upper Cretaceous of Lo Hueco (Spain) and Their Implications on the Armor of Laurasian Titanosaurs

    Article • PLoS ONE, August 2014, PLOS

    Dr Francisco Ortega, Francisco Ortega

  58. Fossil assemblages and palaeoenvironments in the Cenomanian vertebrate site of Nazaré (West Central Portugal)

    Article • Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen, August 2014, Schweizerbart

    Francisco Ortega

  59. A new dryosaurid ornithopod (Dinosauria, Ornithischia) from the Late Jurassic of Portugal

    Article • Journal of Vertebrate Paleontology, July 2014, Taylor & Francis

    Dr Francisco Ortega, Francisco Ortega

  60. New evidence ofCeratosaurus(Dinosauria: Theropoda) from the Late Jurassic of the Lusitanian Basin, Portugal

    Article • Historical Biology, May 2014, Taylor & Francis

    Francisco Ortega

  61. A new species of the turtle Hylaeochelys (Eucryptodira) outside its known geographic and stratigraphic ranges of distribution

    Article • Comptes Rendus Palevol, March 2014, Elsevier

    Dr Francisco Ortega, Francisco Ortega

  62. Eodortoka morellana gen. et sp. nov., the first pan-pleurodiran turtle (Dortokidae) defined in the Lower Cretaceous of Europe

    Article • Cretaceous Research, March 2014, Elsevier

    Francisco Ortega

  63. Phylogenetic reassessment of Lourinhasaurus alenquerensis , a basal Macronaria (Sauropoda) from the Upper Jurassic of Portugal

    Article • Zoological Journal of the Linnean Society, February 2014, Wiley

    Dr Francisco Ortega, Francisco Ortega

  64. New hadrosauriform cranial remains from the Arcillas de Morella Formation (lower Aptian) of Morella, Spain

    Article • Cretaceous Research, January 2014, Elsevier

    Dr Francisco Ortega, Francisco Ortega

  65. An articulated hindlimb of a basal iguanodont (Dinosauria, Ornithopoda) from the Early Cretaceous Las Hoyas Lagerstätte (Spain)

    Article • Geological Magazine, March 2013, Cambridge University Press

    Dr Francisco Ortega, Francisco Ortega

  66. Squamate finding in “Lo Hueco” (Late Campanian-Early Maastrichtian, Cuenca Province, Spain): the second non-marine pythonomorph lizard

    Article • PalZ, February 2013, Springer Science + Business Media

    Dr Francisco Ortega, Francisco Ortega

  67. Neurocranial Osteology and Neuroanatomy of a Late Cretaceous Titanosaurian Sauropod from Spain (Ampelosaurus sp.)

    Article • PLoS ONE, January 2013, PLOS

    Dr Francisco Ortega, Francisco Ortega

  68. Two Synchronic and Sympatric Bothremydidae Taxa (Chelonii, Pleurodira) in the Late Cretaceous Site of “Lo Hueco” (Cuenca, Spain)

    Article • September 2012, Springer Science + Business Media

    Dr Francisco Ortega, Francisco Ortega

  69. Exceptionally well-preserved vegetal remains from the Upper Cretaceous of ‘Lo Hueco’, Cuenca, Spain

    Article • Lethaia, August 2012, Scandinavian University Press / Universitetsforlaget AS

    Dr Francisco Ortega, Francisco Ortega

  70. A New Freshwater Basal Eucryptodiran Turtle from the Early Cretaceous of Spain

    Article • Acta Palaeontologica Polonica, June 2012, Polska Akademia Nauk Instytut Paleobiologii (Institute of Paleobiology, Polish Academy of Sciences)

    Dr Francisco Ortega, Francisco Ortega

  71. Preliminary taphonomic approach to “Lo Hueco” palaeontological site (Upper Cretaceous, Cuenca, Spain)

    Article • Geobios, March 2012, Elsevier

    Dr Francisco Ortega, Francisco Ortega

  72. A new genus of Bothremydidae (Chelonii, Pleurodira) in the Cretaceous of Southwestern Europe

    Article • Geobios, March 2012, Elsevier

    Dr Francisco Ortega, Francisco Ortega

  73. The Braincase of the Basal Sauropod Dinosaur Spinophorosaurus and 3D Reconstructions of the Cranial Endocast and Inner Ear

    Article • PLoS ONE, January 2012, PLOS

    Dr Francisco Ortega, Francisco Ortega

  74. Primera cita de cocodrilos zifodontos en el Cenozoico de Asturias: Royo Gómez y los supuestos dientes de dinosaurio del Eoceno de Llamaquique

    Article • Estudios Geológicos, January 2012, Departmento de Publicaciones del CSIC

    Francisco Ortega

  75. A new species of Brodiechelys (Testudines, Pan-Cryptodira) from the Early Cretaceous of Spain: Systematic and palaeobiogeographic implications

    Article • Acta Palaeontologica Polonica, January 2012, Polska Akademia Nauk Instytut Paleobiologii (Institute of Paleobiology, Polish Academy of Sciences)

    Francisco Ortega

  76. Elementos de la Armadura Dérmica del Dinosaurio AnquilosaurioPolacanthusOwen, 1865, en el Cretácico Inferior de Morella (Castellón, España)

    Article • Ameghiniana, December 2011, Asociacion Paleontologica Argentina

    Francisco Ortega

  77. Selenemys lusitanica, gen. et sp. nov., a new pleurosternid turtle (Testudines: Paracryptodira) from the Upper Jurassic of Portugal

    Article • Journal of Vertebrate Paleontology, February 2011, Taylor & Francis

    Dr Francisco Ortega, Francisco Ortega

  78. A bizarre, humped Carcharodontosauria (Theropoda) from the Lower Cretaceous of Spain

    Article • Nature, September 2010, Springer Science + Business Media

    Dr Francisco Ortega, Francisco Ortega

  79. Ampliación de la distribución geográfica y temporal deElochelys convenarum(Chelonii, Bothremydidae) en el Cretácico Superior de la Península Ibérica

    Article • Ameghiniana, September 2010, Asociacion Paleontologica Argentina

    Francisco Ortega

  80. Vertebrate fauna at the Allosaurus fossil-site of Andrés (Upper Jurassic), Pombal, Portugal

    Article • Journal of Iberian Geology, January 2010, Universidad Complutense de Madrid (UCM)

    Francisco Ortega

  81. New and exceptional discovery in the Upper Cretaceous of the Iberian Peninsula: the palaeontological site of “Lo Hueco”, Cuenca, Spain

    Article • Cretaceous Research, October 2009, Elsevier

    Dr Francisco Ortega, Francisco Ortega

  82. A New Basal Sauropod Dinosaur from the Middle Jurassic of Niger and the Early Evolution of Sauropoda

    Article • PLoS ONE, September 2009, PLOS

    Dr Francisco Ortega, Francisco Ortega

  83. Use of turbulence generators as stall-delaying devices in flight at low Reynolds numbers

    Article • Proceedings of the Institution of Mechanical Engineers Part G Journal of Aerospace Engineering, July 2008, SAGE Publications

    Francisco Ortega

  84. New evidence of shared dinosaur across Upper Jurassic Proto-North Atlantic: Stegosaurus from Portugal

    Article • The Science of Nature, December 2006, Springer Science + Business Media

    Dr Francisco Ortega, Francisco Ortega

  85. The birds from Las Hoyas

    Article • Science Progress, May 2002, Science Reviews 2000 LTD

    Dr Francisco Ortega, Francisco Ortega

  86. A revision of the crocodyliformAllodaposuchus precedensfrom the Upper Cretaceous of the Hateg Basin, Romania. Its relevance in the phylogeny of Eusuchia

    Article • Journal of Vertebrate Paleontology, March 2001, Taylor & Francis

    Dr Francisco Ortega, Francisco Ortega

  87. An Early Cretaceous pellet

    Article • Nature, February 2001, Springer Science + Business Media

    Dr Francisco Ortega, Francisco Ortega

  88. Studies on Cenozoic crocodiles: 8.Bergisuchus dietrichbergi Kuhn (Sebecosuchia: Bergisuchidae n. fam.) from the Middle Eocene of Germany, some new systematic and biological conclusions

    Article • PalZ, December 2000, Springer Science + Business Media

    Francisco Ortega

  89. A new species ofAraripesuchus(Crocodylomorpha, Mesoeucrocodylia) from the lower Cretaceous of Patagonia (Argentina)

    Article • Journal of Vertebrate Paleontology, April 2000, Taylor & Francis

    Dr Francisco Ortega, Francisco Ortega

  90. The fish trace fossil Undichna from the Cretaceous of Spain

    Article • Palaeontology, July 1999, Wiley

    Francisco Ortega

  91. New crocodiles (Eusuchia: Alligatoroidea) from the Upper Cretaceous of southern Europe

    Article • Comptes Rendus de l Académie des Sciences - Series IIA - Earth and Planetary Science, October 1997, Elsevier

    Dr Francisco Ortega, Francisco Ortega

  92. Loss of carpal elements in crocodilian limb evolution: morphogenetic model corroborated by palaeobiological data

    Article • Biological Journal of the Linnean Society, September 1997, Wiley

    Dr Francisco Ortega, Francisco Ortega

  93. Loss of carpal elements in crocodilian limb evolution: morphogenetic model corroborated by palaeobiological data

    Article • Biological Journal of the Linnean Society, September 1997, Oxford University Press (OUP)

    Francisco Ortega

  94. A Nestling Bird from the Lower Cretaceous of Spain: Implications for Avian Skull and Neck Evolution

    Article • Science, June 1997, American Association for the Advancement of Science

    Francisco Ortega

  95. An Early Cretaceous bird from Spain and its implications for the evolution of avian flight

    Article • Nature, August 1996, Springer Science + Business Media

    Dr Francisco Ortega, Francisco Ortega

  96. The Upper Jurassic maniraptoran theropodLisboasaurus estesi(Guimarota, Portugal) reinterpreted as a crocodylomorph

    Article • Journal of Vertebrate Paleontology, June 1996, Taylor & Francis

    Dr Francisco Ortega, Francisco Ortega

  97. Reinterpretation and new denominationof Atacisaurus crassiproratus (Middle Eocene; Issel, France) as cf. Iberosuchus (Crocodylomorpha, Metasuchia)

    Article • Geobios, January 1996, Elsevier

    Dr Francisco Ortega, Francisco Ortega

  98. A preliminary note on the first tetrapod trackways from the lithographic limestones of Las Hoyas (Lower Cretaceous, Cuenca, Spain)

    Article • Geobios, January 1995, Elsevier

    Dr Francisco Ortega, Francisco Ortega

  99. A unique multitoothed ornithomimosaur dinosaur from the Lower Cretaceous of Spain

    Article • Nature, August 1994, Springer Science + Business Media

    Dr Francisco Ortega, Francisco Ortega

  100. Las Hoyas

    Article • Wiley

    Dr Francisco Ortega, Francisco Ortega