Publications

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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.}

Rotatori, F. M., Camilo B., Bertozzo F., Mateus O., & Moreno-Azanza M. (2022).  A basal ankylopollexian dinosaur from the Late Jurassic of Portugal and its implications for iguanodontian diversity. Abstract book of the XIX Annual Conference of the European Association of Vertebrate Palaeontologists, Benevento/Pietraroja, Italy, 27th June-2nd July 2022. 170-171.: PalaeoVertebrata, Special Volume 1- 2022, 224. Doi: 10.18563/pv.eavp Abstractrotatorietal_2022.pdf

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Saleiro, A., Guillaume A. R. D., Rotatori F. M., Ríos-Ibañez M., López E. D., Conti S., Martino R., Puértolas-Pascual E., Mateus O., & Moreno-Azanza M. (2022).  A beta taxonomy approach to Late Jurassic and Early Cretaceous dinosaur assemblages. Abstract book of the XIX Annual Conference of the European Association of Vertebrate Palaeontologists, Benevento/Pietraroja, Italy, 27th June-2 nd July 2022.. 176-177.: PalaeoVertebrata, Special Volume 1- 2022, 224. Doi: 10.18563/pv.eavp2022 Abstractsaleiroetal_2022-eavp.pdf

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Ríos, M., Estraviz-López D., Martino R., Lohmann P., Mateus O., & Solounias N. (2022).  The first Sivatheriine (Artiodactyla, Giraffidae) from the Middle Miocene of Portugal. XIX Annual conference of the European Association of Vertebrate Palaeontologists (19th EAVP)At: Benevento, Italy. 167. Abstracteavp_2022_abstractvolume-176.pdf

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Reboleira, A., & Mateus O. (2022).  Geologia, Grutas e Fauna Subterrânea do Planalto das Cesaredas, Portugal. Captar. 11, 1-19.: DOI: https://doi.org/10.34624/captar.v11i0.27451 Abstractreboleira_e_mateus_2022.pdf

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Ferrari, L., Rotatori F. M., Camilo B., Moreno-Azanza M., & Mateus O. (2022).  New specimen of dryomorphan (Ornithischia, Iguanodontia) remains from the Upper Jurassic of Portugal. Abstract book of the XIX Annual Conference of the European Association of Vertebrate Palaeontologists, Benevento/Pietraroja, Italy, 27th June-2nd July 2022.. 61-62.: PalaeoVertebrata, Special Volume 1- 2022, 224. Doi: 10.18563/pv.eavp Abstractferrarietal_2022.pdf

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Martino, R., Ríos M., Mateus O., Rook L., & Pandolf L. (2022).  New insights into the hippopotamid (Mammalia, Hippopotamidae) from the Casino Basin (Tuscany, Italy). XIX Annual conference of the European Association of Vertebrate Palaeontologists (19th EAVP)At: Benevento, Italy. 119. Abstract
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2021
Ezquerro, L., Balauz B., Coimbra R., Nuñez-Lahuerta C., Mateus O., Román T., & Moreno-Azanza M. (2021).  Evidence of sedimentary remodel of Jurassic theropod egg clutches (Lourinhã, Portugal). 18th Conference of the EAVP-Abstract book. 72-73. Abstractezquerro_et_al_2021_sedimentary_remodel.pdf

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Milàn, J., Mateus O., Mau M., Rudra A., Sanei H., & Clemmensen L. B. (2021).  A possible phytosaurian (Archosauria, Pseudosuchia) coprolite from the Late Triassic Fleming Fjord Group of Jameson Land, central East Greenland. Bulletin of the Geological Society of Denmark. 69, 71-80. Abstractmilan_et_al_2021_coprolites_greenland_bull69-71-80.pdfWebsite

A large, well-preserved vertebrate coprolite was found in a lacustrine sediment in the Malmros Klint Formation of the Late Triassic Fleming Fjord Group in the Jameson Land Basin, central East Greenland. The size and internal and external morphology of the coprolite is consistent with that of crocodilian coprolites and one end of the coprolite exhibits evidence of post-egestion trampling. As the associated vertebrate fauna of the Fleming Fjord Group contains abundant remains of pseudosuchian phytosaurs, the coprolite is interpreted as being from a large phytosaur.

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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Rotatori, F. M., Silva B. C., Moreno-Azanza M., & Mateus O. (2021).  A systematic overview of medium and large-sized iguanodontians (Dinosauria, Ornithopoda) from the Upper Jurassic Lourinhã Formation, Portugal. XIX Encontro de Jovens Investigadores em Paleontologia. 62-63. Abstractrotatoriet_l_2021_ejip.pdf

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2020
2019
Azanza, M. M., Coimbra R., Puértolas-Pascual E., Russo J., Bauluz B., & Mateus O. (2019).  Crystallography of Lourinhanosaurus eggshells (Dinosauria, Theropoda, Allosauroidea). Journal of Vertebrate Paleontology, Program and Abstracts. 156-157.moreno_azanza_et_al_2019_svp_abstract.pdf
Mateus, O., Callapez P. M., Polcyn M. J., Schulp A. S., Gonçalves A. O., & Jacobs L. L. (2019).  The Fossil Record of Biodiversity in Angola Through Time: A Paleontological Perspective. (Huntley, Brian J., Russo, Vladimir, Lages, Fernanda, Ferrand, Nuno, Ed.).Biodiversity of Angola: Science & Conservation: A Modern Synthesis. 53–76.: Springer International Publishing Abstractmateus2019_chapter_thefossilrecordofbiodiversityi.pdf

This chapter provides an overview of the alpha paleobiodiversity of Angola based on the available fossil record that is limited to the sedimentary rocks, ranging in age from Precambrian to the present. The geological period with the highest paleobiodiversity in the Angolan fossil record is the Cretaceous, with more than 80{%} of the total known fossil taxa, especially marine molluscs, including ammonites as a majority among them. The vertebrates represent about 15{%} of the known fauna and about one tenth of them are species firstly described based on specimens from Angola.

Russo, J., & Mateus O. (2019).  A new Ankylosaur Dinosaur Skeleton from the Upper Jurassic of Portugal. Journal of Vertebrate Paleontology, Program and Abstracts. 184.russo__mateus_2019_svp_abstract.pdf
Rotatori, F., Moreno-Azanza M., & Mateus O. (2019).  New ornithopod dinosaur remains from the Late Jurassic Lourinhã Formation. 17th Conference of the EAVP. 100., Bruxelles: European Association of Vertebrate Paleontologistsrotatori_et_al_2019_ornithopod_portugal_eavp_2019_abstract.pdf
Azanza, M. M., Coimbra R., Puértolas-Pascual E., Russo J., Bauluz B., & Mateus O. (2019).  Crystallography of Lourinhanosaurus eggshells (Dinosauria, Theropoda, Allosauroidea). Journal of Vertebrate Paleontology, Program and Abstracts. 156-157. Abstract
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Mateus, O., Callapez P. M., Polcyn M. J., Schulp A. S., Gonçalves A. O., & Jacobs L. L. (2019).  The Fossil Record of Biodiversity in Angola Through Time: A Paleontological Perspective. (Huntley, Brian J., Russo, Vladimir, Lages, Fernanda, Ferrand, Nuno, Ed.).Biodiversity of Angola: Science {&} Conservation: A Modern Synthesis. 53–76., Cham: Springer International Publishing Abstract

This chapter provides an overview of the alpha paleobiodiversity of Angola based on the available fossil record that is limited to the sedimentary rocks, ranging in age from Precambrian to the present. The geological period with the highest paleobiodiversity in the Angolan fossil record is the Cretaceous, with more than 80{%} of the total known fossil taxa, especially marine molluscs, including ammonites as a majority among them. The vertebrates represent about 15{%} of the known fauna and about one tenth of them are species firstly described based on specimens from Angola.

Russo, J., & Mateus O. (2019).  A new Ankylosaur Dinosaur Skeleton from the Upper Jurassic of Portugal. Journal of Vertebrate Paleontology, Program and Abstracts. 184. Abstract
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2018
Mateus, O., Pereira B., Rocha R., & Kullberg J. C. (2018).  Aspiring Geopark Oeste in Portugal: scientific highlights and importance. 8th International Conference on UNESCO Global Geoparks. , 8-14 Sept., Adamello Brenta Geopark, Trentinomateus_et_al_2018_geopark_oeste.pdf
Rotatori, F. M., Moreno-Azanza M., & Mateus O. (2018).  Dryosaurid ornithopods from the Late Jurassic of Portugal: an overview. XVI Annual Meeting of the European Association of Vertebrate Palaeontologists. 166., Caparica, Portugal June 26th-July 1st, 2018: Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa Abstractrotatori_et_al_2018_eavp_abstract.pdf

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Ribeiro, C., Callapez P. M., & Mateus O. (2018).  Fossil vertebrates in the paleontological collections of the Science Museum (University of Coimbra, Portugal). XVI Annual Meeting of the European Association of Vertebrate Palaeontologists. 163., Caparica, Portugal June 26th-July 1st, 2018: Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa Abstractribeiro_et_al_2018_eavp_abstract.pdf

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Rotatori, F. M., Moreno-Azanza M., & Mateus O. (2018).  Isolated dryosaurid (Dinosauria: Ornithopoda) cranial remains from the Late Jurassic of Portugal. EJIP Life finds a way. 95-98., Gasteiz, Spainrotatori_et_al_2018_ejip.pdf
Rotatori, F. M., Moreno-Azanza M., & Mateus O. (2018).  Dryosaurid ornithopods from the Late Jurassic of Portugal: an overview. XVI Annual Meeting of the European Association of Vertebrate Palaeontologists. 166., Caparica, Portugal June 26th-July 1st, 2018: Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa Abstract

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2017
Russo, J., Mateus O., Marzola M., & Balbino A. (2017).  Two new ootaxa from the late Jurassic: The oldest record of crocodylomorph eggs, from the Lourinhã Formation, Portugal. PLOS ONE. 12, 1-23., 03, Number 3: Public Library of Science Abstractrusso_et_al_2017_two_new_ootaxa.pdfWebsite

The Late Jurassic Lourinhã Formation is known for its abundant remains of dinosaurs, crocodylomorphs and other vertebrates. Among this record are nine localities that have produced either dinosaur embryos, eggs or eggshell fragments. Herein, we describe and identify the first crocodiloid morphotype eggs and eggshells from the Lourinhã Formation, from five occurrences. One clutch from Cambelas, composed of 13 eggs, eggshell fragments from Casal da Rola and Peralta, one crushed egg and eggshells from Paimogo North, and four crushed eggs as well as eggshell fragments from Paimogo South. We observed and confirmed diagnostic morphological characters for crocodiloid eggshells and which are consistent with a crocodylomorph affinity, such as the ellipsoidal shape, wedge-shaped shell units, triangular extinction under cross-polarized light, and tabular ultrastructure. This material is distinctive enough to propose two new ootaxa within the oofamily Krokolithidae, Suchoolithus portucalensis, oogen. and oosp. nov., for the material from Cambelas, the most complete clutch known for crocodiloid eggs, and Krokolithes dinophilus, oosp. nov., for the remaining material. These are the oldest crocodylomorph eggs known, extending the fossil record for this group to the Late Jurassic. Furthermore, except for the clutch from Cambelas, the material was found with theropod eggs and nests, in the other four occurrences, which seem to suggest some form of biological relationship, still unclear at this point.

Pereira, B., Mateus O., Kullberg J. C., & Rocha R. (2017).  The geotouristic potential of the Oeste Region of Portugal. 14th European Geoparks Conference | Abstracts Book 167. 167., Ponta Delgadapereira_et_al_2017_geotouristic_oeste.pdf
Correia, T., Barcelos L., Nunes T., Riff D., & Mateus O. (2017).  On a titanosaur scapula from the Marília Formation (Upper Cretaceous, Bauru Group) in Campina Verde Town. XXV Congresso Brasileiro de Paleontologia Boletim de Resumos. 77. Abstractthiago_abstract_brazil_2017.pdf

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Ripple, W. J., Wolf C., Newsome T. M., Galetti M., Alamgir M., Crist E., Mahmoud M. I., Laurance W. F., & other scientist signatories +15 364 (2017).  World Scientists’ Warning to Humanity: A Second Notice. BioScience. bix125. Abstractripple_et_al_2017_scientists_merged_with_supp_material.pdfWebsite

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Pereira, B., Mateus O., Kullberg J. C., & Rocha R. (2017).  The geotouristic potential of the Oeste Region of Portugal. Abstract
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Correia, T., Barcelos L., Nunes T., Riff D., & Mateus O. (2017).  On a titanosaur scapula from the Marília Formation (Upper Cretaceous, Bauru Group) in Campina Verde Town. 77. Abstract
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Correia, T., Barcelos L., Nunes T., Riff D., & Mateus O. (2017).  On a titanosaur scapula from the Mar{\'ılia Formation (Upper Cretaceous, Bauru Group) in Campina Verde Town. XXV Congresso Brasileiro de Paleontologia Boletim de Resumos. 77. Abstract
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Russo, J., Mateus O., Marzola M., & Balbino A. (2017).  Two new ootaxa from the late Jurassic: The oldest record of crocodylomorph eggs, from the Lourinhã Formation, Portugal. PLoS ONE. 12, , Number 3 Abstract
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Ripple, W. J., Wolf C., Newsome T. M., Galetti M., Alamgir M., Crist E., Mahmoud M. I., Laurance W. F., & signatoriesscientist +15364 (2017).  World Scientists’ Warning to Humanity: A Second Notice. BioScience. 125, Abstract
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2016
Ceríaco, L. M. P., Gutiérrez E. E., Dubois A., Abdala C. S., Alqarni A. S., Adler K., et al. (2016).  Photography-based taxonomy is inadequate, unnecessary, and potentially harmful for biological sciences. Zootaxa. 4196(3), 435 - 445., 2016 AbstractWebsite
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Ceríaco, L. M. P., Gutiérrez E. E., Dubois A., Abdala C. S., Alqarni A. S., Adler K., et al. (2016).  Photography-based taxonomy is inadequate, unnecessary, and potentially harmful for biological sciences. Zootaxa. 4196, 435-445., Number 3 Abstract
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2015
Foth, C., Evers S. W., Pabst B., Mateus O., Flisch A., Patthey M., & Rauhut O. W. M. (2015).  New insights into the lifestyle of \\textitAllosaurus (Dinosauria: Theropoda) based on another specimen with multiple pathologies. PeerJ. 3, e940., 5 AbstractWebsite

Adult large-bodied theropods are often found with numerous pathologies. A large, almost complete, probably adult \\textitAllosaurus specimen from the Howe Stephens Quarry, Morrison Formation (Late Kimmeridgian–Early Tithonian), Wyoming, exhibits multiple pathologies. Pathologic bones include the left dentary, two cervical vertebrae, one cervical and several dorsal ribs, the left scapula, the left humerus, the right ischium, and two left pedal phalanges. These pathologies can be classified as follows: the fifth cervical vertebra, the scapula, several ribs and the ischium are probably traumatic, and a callus on the shaft of the left pedal phalanx II-2 is probably traumatic-infectious. Traumatically fractured elements exposed to frequent movement (e.g., the scapula and the ribs) show a tendency to develop pseudarthroses instead of a callus. The pathologies in the lower jaw and a reduced extensor tubercle of the left pedal phalanx II-2 are most likely traumatic or developmental in origin. The pathologies on the fourth cervical are most likely developmental in origin or idiopathic, that on the left humerus could be traumatic, developmental, infectious or idiopathic, whereas the left pedal phalanx IV-1 is classified as idiopathic. With exception of the ischium, all as traumatic/traumatic-infectious classified pathologic elements show unambiguous evidences of healing, indicating that the respective pathologies did not cause the death of this individual. Alignment of the scapula and rib pathologies from the left side suggests that all may have been caused by a single traumatic event. The ischial fracture may have been fatal. The occurrence of multiple lesions interpreted as traumatic pathologies again underlines that large-bodied theropods experienced frequent injuries during life, indicating an active predatory lifestyle, and their survival perhaps supports a gregarious behavior for \\textitAllosaurus. Alternatively, the frequent survival of traumatic events could be also related to the presence of non-endothermic metabolic rates that allow survival based on sporadic food consumption or scavenging behavior. Signs of pathologies consistent with infections are scarce and locally restricted, indicating a successful prevention of the spread of pathogens, as it is the case in extant reptiles (including birds).

Foth, C., Evers S., Pabst B., Mateus O., Flisch A., Patthey M., & Rauhut O. W. M. (2015).  New insights into the lifestyle of Allosaurus (Dinosauria: Theropoda) based on another specimen with multiple pathologies. PeerJ PrePrints. 3, e824v1., 2015 Abstractfoth_et_al_2015_peerj-preprints-824.pdfWebsite

Adult large-bodied theropods are often found with numerous pathologies. A large, almost complete, probably adult Allosaurus specimen from the Howe Stephens Quarry, Morrison Formation (Late Kimmeridgian–Early Tithonian), Wyoming, shows multiple pathologies. Pathologic bones include the left dentary, two cervical vertebrae, one cervical and several dorsal ribs, the left scapula, the left humerus, right ischium, and two left pedal phalanges. These pathologies can be classified as follows: the fifth cervical vertebra, the scapula, several ribs and the ischium are traumatic, and a callus on the shaft of the left pedal phalanx II-2 is traumatic-infectious. Traumatically fractured elements exposed to frequent movement (e.g. the scapula and the ribs) show a tendency to develop pseudarthroses instead of callus healing. The pathologies in the lower jaw and a reduced flexor tubercle of the left pedal phalanx II-2 are most likely traumatic or developmental in origin. The pathologies on the fourth cervical are most likely developmental in origin or idiopathic, that on the left humerus is infectious or idiopathic, whereas left pedal phalanx IV-1 is classified as idiopathic. With exception of the ischium, all traumatic / traumatic-infectious pathologic elements show unambiguous evidences of healing, indicating that the respective pathologies did not cause the death of this individual. Alignment of the scapula and rib pathologies from the left side suggests that all may have been caused by a single traumatic event. The ischial fracture may have been fatal. The occurrence of multiple traumatic pathologies again underlines that large-bodied theropods experienced frequent injuries during life, indicating an active predatory lifestyle, and their survival perhaps supports a gregarious behavior for Allosaurus. Signs of infections are scarce and locally restricted, indicating a successful prevention of the spread of pathogens, as it is the case in extant reptiles (including birds).

Xing, L., Lockley M. G., Marty D., Zhang J., Wang Y., Klein H., McCrea R. T., Buckley L. G., Belvedere M., Mateus O., Gierliński G. D., Piñuela L., Persons, IV S. W., Wang F., Ran H., Dai H., & Xie X. (2015).  An Ornithopod-Dominated Tracksite from the Lower Cretaceous Jiaguan Formation (Barremian–Albian) of Qijiang, South-Central China: New Discoveries, Ichnotaxonomy, Preservation and Palaeoecology. PLoS ONE. 10, e0141059., 10, Number 10: Public Library of Science Abstractlida_et_al_2015_an_ornithopod-dominated_tracksite_from_the.pdfWebsite

The historically-famous Lotus Fortress site, a deep 1.5–3.0-meter-high, 200-meter-long horizonal notch high up in near-vertical sandstone cliffs comprising the Cretaceous Jiaguan Formation, has been known since the 13th Century as an impregnable defensive position. The site is also extraordinary for having multiple tetrapod track-bearing levels, of which the lower two form the floor of part of the notch, and yield very well preserved asseamblages of ornithopod, bird (avian theropod) and pterosaur tracks. Trackway counts indicate that ornithopods dominate (69%) accounting for at least 165 trackmakers, followed by bird (18%), sauropod (10%), and pterosaur (3%). Previous studies designated Lotus Fortress as the type locality of Caririchnium lotus and Wupus agilis both of which are recognized here as valid ichnotaxa. On the basis of multiple parallel trackways both are interpreted as representing the trackways of gregarious species. C. lotus is redescribed here in detail and interpreted to indicate two age cohorts representing subadults that were sometimes bipedal and larger quadrupedal adults. Two other previously described dinosaurian ichnospecies, are here reinterpreted as underprints and considered nomina dubia. Like a growing number of significant tetrapod tracksites in China the Lotus Fortress site reveals new information about the composition of tetrapod faunas from formations in which the skeletal record is sparse. In particular, the site shows the relatively high abundance of Caririchium in a region where saurischian ichnofaunas are often dominant. It is also the only site known to have yielded Wupus agilis. In combination with information from other tracksites from the Jiaguan formation and other Cretaceous formations in the region, the track record is proving increasingly impotant as a major source of information on the vertebrate faunas of the region. The Lotus Fortress site has been developed as a spectacular, geologically-, paleontologically- and a culturally-significant destination within Qijiang National Geological Park.

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. (2015).  Addendum to ‘Revision of the Late Jurassic teleosaurid genus Machimosaurus (Crocodylomorpha, Thalattosuchia)’. Royal Society Open Science. 2, , Number 2: The Royal Society Abstractyoung_et_al_2015_addendum_to_revision_of_the_late_jurassic_teleosaurid_genus_machimosaurus_crocodylomorpha_thalattosuchia.pdfWebsite

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Marzola, M., Russo J., & Mateus O. (2015).  Identification and comparison of modern and fossil crocodilian eggs and eggshell structures. Historical Biology. 27(1), 115-133. Abstractmarzola_et_al_2015_identification_and_comparison_of_modern_and_fossil_crocodilian_eggs_and_eggshell_structures.pdfWebsite

Eggshells from the three extant crocodilian species Crocodylus mindorensis (Philippine Crocodile), Paleosuchus palpebrosus (Cuvier's Smooth-fronted Caiman or Musky Caiman) and Alligator mississippiensis (American Alligator or Common Alligator) were prepared for thin section and scanning electron microscope analyses and are described in order to improve the knowledge on crocodilian eggs anatomy and microstructure, and to find new apomorphies that can be used for identification. Both extant and fossil crocodilian eggs present an ornamentation that vary as anastomo-, ramo- or the here newly described rugosocavate type. The angusticaniculate pore system is a shared character for Crocodylomorpha eggshells and some dinosaurian and avian groups. Previously reported signs of incubated crocodilian eggs were found also on our only fertilised and hatched egg. Paleosuchus palpebrosus presents unique organization and morphology of the three eggshell layers, with a relatively thin middle layer characterised by dense and compact tabular microstructure.

Pereira, B. C., Benton M. J., Ruta M., & Mateus O. (2015).  Mesozoic echinoid diversity in Portugal: Investigating fossil record quality and environmental constraints on a regional scale. Palaeogeography, Palaeoclimatology, Palaeoecology. 424, 132 - 146. Abstractpereira_e_al_2015_mesozoic_echinoids_portugal.pdfWebsite

Abstract Several analyses of diversity through geological time use global, synoptic databases, and this practice often makes it difficult to distinguish true signals in changing diversity from regional-scale sampling and/or geological artefacts. Here we investigate how echinoid diversity changed through the Mesozoic of the Lusitanian basin in Portugal based on a comprehensive, revised database, and seek to distinguish biological signal from geological or environmental constraints. The observed diversity pattern is far from having a defined trend, showing many fluctuations that appear to be linked with gaps in the geological record. This study revealed that, independently of the method used, whether correlation tests or model fitting, the diversity signal is not completely explained by the studied sampling proxies. Among the different proxies, marine facies variation in combination with outcrop area best explains the palaeodiversity curve.

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. (2015).  Addendum to ?Revision of the Late Jurassic teleosaurid genus Machimosaurus (Crocodylomorpha, Thalattosuchia)?. Royal Society Open Science. 2, , Number 2 Abstract
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Marzola, M., Russo J., & Mateus O. (2015).  Identification and comparison of modern and fossil crocodilian eggs and eggshell structures. Historical Biology. 27, 115-133., Number 1 Abstract
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Pereira, B. C., Benton M. J., Ruta M., & Mateus O. (2015).  Mesozoic echinoid diversity in Portugal: Investigating fossil record quality and environmental constraints on a regional scale. Palaeogeography, Palaeoclimatology, Palaeoecology. 424, 132-146. Abstract
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Xing, L., Lockley M. G., Marty D., Zhang J., Wang Y., Klein H., McCrea R. T., Buckley L. G., Belvedere M., Mateus O., Gierli?ski G. D., Piñuela L., Persons W. S., Wang F., Ran H., Dai H., & Xie X. (2015).  An ornithopod-dominated tracksite from the lower Cretaceous Jiaguan Formation (Barremian-Albian) of Qijiang, South-Central China: New discoveries, ichnotaxonomy, preservation and palaeoecology. PLoS ONE. 10, , Number 10 Abstract
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2014
Marzola, M., Mateus O., Russo J., & Milàn J. (2014).  Comparison of modern and fossil Crocodylomorpha eggs and contribution to the oophylogeny of Amniota. XII Annual Meeting of the European Association of Vertebrate Palaeontologists. , p. 192, Regione Piemonte: European Association of Vertebrate Palaeontologists. Museo Regionale di Scienze Naturalimarzola_et_al._2014_comparison_of_modern_and_fossil_crocodylomorpha_eggs_and_contribution_to_the_oophylogeny_of_amniota-_eavp_2014.pdf