Publications

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1997
2007
2008
Castanhinha, R., Araujo R., & Mateus O. (2008).  Reptile Egg Sites From Lourinhã Formation, Late Jurassic, Portugal. Livro de Resumos de Tercer Congreso Latinoamericano de Paleontología de Vertebrados. , Neuquén, Argentina Abstract
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Castanhinha, R., Araujo R., & Mateus O. (2008).  Reptile Egg Sites From Lourinhã Formation, Late Jurassic, Portugal. Livro de Resumos de Tercer Congreso Latinoamericano de Paleontología de Vertebrados. , Neuquén, Argentina Abstract
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Castanhinha, R., Araujo R., & Mateus O. (2008).  Reptile Egg Sites From Lourinhã Formation, Late Jurassic, Portugal. Livro de Resumos de Tercer Congreso Latinoamericano de Paleontologia de Vertebrados. , Neuquén, Argentina Abstractcastanhinha_et_al_2008_reptile_egg_sites_from_lourinha_formation_late_jurassic_portugal.pdf

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2011
2014
Young, M. T., Hua S., Steel L., Foffa D., Brusatte S. L., Thüring S., Mateus O., Ruiz-Omeñaca J. I., Havlik P., Lepage Y., & De Andrade M. B. (2014).  Revision of the Late Jurassic teleosaurid genus Machimosaurus (Crocodylomorpha, Thalattosuchia). Royal Society Open Science. 1, , Number 2 Abstract
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Young, M. T., Hua S., Steel L., Foffa D., Brusatte S. L., Thüring S., Mateus O., Ignacio-Ruiz Omeñaca J., Lepage Y., Havilk P., & Andrade M. B. (2014).  Revision of the Late Jurassic teleosaurid genus Machimosaurus (Crocodylomorpha, Thalattosuchia). Royal Society Open Science. 1(140222), 1-42.young_et_al_2014_machimosaurus_crocodylomorph_revision.pdf
2017
Costa, F., Silva T., Fernandes J., Calvo R., & Mateus O. (2017).  Retracing the history of a stegosaurian dinosaur discovery in Portugal and the importance of record-keeping in Palaentology. Abstract book of the XV Encuentro de Jóvenes Investigadores en Paleontología/XV Encontro de Jovens Investigadores em Paleontologia, Lisboa, 428 pp.. 119-124. Abstractcosta_et_al_2017_retracing_the_history_-_2017.pdf

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2018
e Sousa, J. R. P. (2018).  A review of Ichthyosauria from Portugal. Abstract
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Marzola, M., Mateus O., Milàn J., & Clemmensen L. B. (2018).  A review of palaeozoic and mesozoic tetrapods from greenland. Bulletin of the Geological Society of Denmark. 66, 21-46. Abstract
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Sousa, J., & Mateus O. (2018).  A review of Ichthyosauria from Portugal. XVI Annual Meeting of the European Association of Vertebrate Palaeontologists. 179., Caparica, Portugal June 26th-July 1st, 2018 Abstractsousa_e_mateus_2018_eavp_abstract.pdf

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Marzola, M., Mateus O., Milàn J., & Clemmensen L. B. (2018).  A review of Palaeozoic and Mesozoic tetrapods from Greenland. Bulletin of the Geological Society of Denmark. 66, 21–46. Abstractmarzola_et_al_2018_-_review_of_greenlandic_tetrapods.pdf

This article presents a synthesis of Palaeozoic and Mesozoic fossil tetrapods from Greenland, including an updated review of the holotypes and a new photographic record of the main specimens. All fossil tetrapods found are from East Greenland, with at least 30 different known taxa: five stem tetrapods (Acanthostega gunnari, Ichthyostega eigili, I. stensioi, I. watsoni, and Ymeria denticulata) from the Late Devonian of the Aina Dal and Britta Dal Formations; four temnospondyl amphibians (Aquiloniferus kochi, Selenocara groenlandica, Stoschiosaurus nielseni, and Tupilakosaurus heilmani) from the Early Triassic of the Wordie Creek Group; two temnospondyls (Cyclotosaurus naraserluki and Gerrothorax cf. pulcherrimus), one testudinatan (cf. Proganochelys), two stagonolepids (Aetosaurus ferratus and Paratypothorax andressorum), the eudimorphodontid Arcticodactylus, undetermined archosaurs (phytosaurs and both sauropodomorph and theropod dinosaurs), the cynodont Mitredon cromptoni, and three mammals (Haramiyavia clemmenseni, Kuehneotherium, and cf. ?Brachyzostrodon), from the Late Triassic of the Fleming
Fjord Formation; one plesiosaur from the Early Jurassic of the Kap Stewart Formation; one plesiosaur and one ichthyosaur from the Late Jurassic of the Kap Leslie Formation, plus a previously unreported Late Jurassic plesiosaur from Kronprins Christian Land. Moreover, fossil tetrapod trackways are known from the Late Carboniferous (morphotype Limnopus) of the Mesters Vig Formation and at least four different morphologies (such as the crocodylomorph Brachychirotherium, the auropodomorph Eosauropus and Evazoum, and the theropodian Grallator) associated to archosaurian trackmakers are known from the Late Triassic of the Fleming Fjord Formation. The presence of rich fossiliferous tetrapod sites in East Greenland is linked to the presence of well-exposed continental and shallow marine deposits with most finds in terrestrial deposits from the Late Devonian and the Late Triassic.

2021
Rotatori, F. M., Moreno-Azanza M., & Mateus O. (2021).  Re-evaluation of the Holotype of Draconyx loureiroi (Dinosauria, Ornithopoda) with report of new holotype material. PALEODAYS 2021 – XXI Convegno della Società Paleontologica Italiana. 73. Abstractrotatoriet_l_2021_paleodays.pdf

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2022
Rotatori, F. M., Moreno-Azanza M., & Mateus O. (2022).  Reappraisal and new material of the holotype of Draconyx loureiroi (Ornithischia: Iguanodontia) provide insights on the tempo and modo of evolution of thumb-spiked dinosaurs. Zoological Journal of the Linnean Society. , 02 Abstractrotatori_etal2022.pdfWebsite

{The Upper Jurassic Lourinhã Formation is well known for its rich assemblage of fossil vertebrates. In this formation, ornithopod dinosaurs are represented by two iguanodontian species, Eousdryosaurus nanohallucis and Draconyx loureiroi. We recently became aware of unreported material belonging to the holotype of Draconyx loureiroi, consisting of partially articulated manual elements. We here re-describe the holotype specimen ML 357, including the newly discovered material. The specimen was subjected to CT-scanning and its surface data used to assess anatomical characters. Linear measurements of metatarsal III were used to estimate the body length of the specimen. The Draconyx loureiroi holotype was included in two datasets and analysed with maximum parsimony and Bayesian inference approaches to estimate evolutionary rates among Iguanodontia. We present evidence that Draconyx loureiroi is a valid taxon nested in Styracosterna and is clearly diagnosable by a unique combination of characters. Both maximum parsimony and Bayesian inference indicate high evolutionary rates across the Jurassic/Cretaceous transition for the base of Iguanodontia. Length estimation suggests that Draconyx loureiroi was a relatively small, bipedal and possibly cursorial animal. Given its basal phyletic position, we interpret this bauplan was the ancestral condition for Styracosterna, that only later in the Cretaceous evolved into giant quadrupedal forms.}