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Featured researches published by Josep Fortuny.


Journal of Iberian Geology | 2018

Morphology and preliminary biomechanical interpretation of mandibular sutures in Metoposaurus krasiejowensis (Temnospondyli, Stereospondyli) from the Upper Triassic of Poland

Kamil Gruntmejer; Dorota Konietzko-Meier; Adam Bodzioch; Josep Fortuny

AbstractThe morphology of the mandibular sutures in the Late Triassic temnospondyl Metoposaurus krasiejowensis has been examined in order to determine their role in mandible biomechanics. Until now, no histological studies of mandibular sutures in extinct vertebrates were performed, in contrast to cranial sutures. As a consequence, mandibular suture interpretations herein are based mainly on comparisons with previous studies of cranial sutures and with 3D cranial finite element analysis of this species. A total of 32 standard thin sections were studied under standard petrographic microscope observations in order to differentiate the morphology of mandibular sutures. Five mandibular suture types are present in this taxon: interdigitated, shallowly interdigitated, overlapping, tongue and groove and abutting. Based on previous work, it has generally been assumed that the shallowly interdigitated, tongue, groove and abutting suture types are associated with tension, the interdigitated type with compression and the overlapping type with absorption and counteraction of variable loads. The sutures associated with tension occur mainly in the anterior part of the mandible, principally in the dentary; overlapping sutures have been noted in medial portions of the mandible and sutures associated with compression mainly in posterior portions, i.e., in the angular and prearticular. The variability of suture types along the mandible suggests a complex loading regime of compression and tension. Sutures associated with tension and a flexible symphysis potentially allowed an increase of oral volume during gape opening, whereas sutures associated with compression represent adaptations for strong bite forces.ResumenSe ha examinado la morfología de las suturas mandibulares del temnospóndilo del Triásico Superior Metoposaurus krasiejowensis para determinar su papel en la biomecánica mandibular. Hasta la fecha, no se han realizado estudios histológicos de las suturas mandibulares de vertebrados fósiles, en contraste con los estudios histológicos en suturas craneales. Como consecuencia, las interpretaciones sobre las suturas mandibulares están aquí basadas en la comparación con estudios previos en suturas craneales y con análisis 3D de elementos finitos para esta misma especie. En total 32 laminas delgadas estándares fueron estudiadas con observaciones de microscopio petrográfico con el fin de diferenciar la morfología de las suturas mandibulares. Cinco tipos de suturas mandibulares son presentes en este taxón: interdigitales, levemente interdigitales, superposición, lengua, ranura y lindante. En base a estudios previos, se ha asumido generalmente que las suturas levemente interdigitales, lengua, ranura y lindantes se asocian con cargas de tensión, mientras que las de tipo interdigitales se asocian con compresión y el tipo sutural de superposición con distintas cargas de absorción y neutralización. Las suturas asociadas con tensión ocurren mayormente en la parte anterior de la mandíbula, principalmente en el dentario; las suturas de superposición se han encontrado las porciones mediales de la mandíbula y las suturas asociadas con compresión se han encontrado mayormente en las porciones posteriores, por ejemplo, en el angular y el prearticular. La variabilidad de los tipos suturales a lo largo de la mandíbula sugiere un complejo régimen de cargas de compresión y tensión. Suturas asociadas con tensión y una sínfisis flexible potencialmente permitieron un incremento del volumen oral durante la abertura bucal, mientras que las suturas asociadas con compresión representan adaptaciones a fuertes fuerzas de mordida.


Journal of Iberian Geology | 2011

New insights on the Permian and Triassic vertebrates from the Iberian Peninsula with emphasis on the Pyrenean and Catalonian basins

Josep Fortuny; Arnau Bolet; Albert G. Sellés; J. Cartanyà; À. Galobart


Palaeogeography, Palaeoclimatology, Palaeoecology | 2016

Constraining the Permian/Triassic transition in continental environments: Stratigraphic and paleontological record from the Catalan Pyrenees (NE Iberian Peninsula)

Eudald Mujal; Nicola Gretter; Ausonio Ronchi; José López-Gómez; Jocelyn Falconnet; José B. Diez; Raúl de la Horra; Arnau Bolet; Oriol Oms; Alfredo Arche; José María Fernández Barrenechea; J. Sébastien Steyer; Josep Fortuny


Cidaris | 2010

New tetrapod footprints from the Permian of the Pyrenees (Catalonia, Spain): preliminar results

Josep Fortuny; Albert G. Sellés; Diana Valdiserri; Arnau Bolet


Sedimentary Geology | 2018

Aridification across the Carboniferous–Permian transition in central equatorial Pangea: The Catalan Pyrenean succession (NE Iberian Peninsula)

Eudald Mujal; Josep Fortuny; Josep Marmi; Jaume Dinarès-Turell; Arnau Bolet; Oriol Oms


Global and Planetary Change | 2017

Integrated multi-stratigraphic study of the Coll de Terrers late Permian–Early Triassic continental succession from the Catalan Pyrenees (NE Iberian Peninsula): A geologic reference record for equatorial Pangaea

Eudald Mujal; Josep Fortuny; Jordi Pérez-Cano; Jaume Dinarès-Turell; Jordi Ibáñez-Insa; Oriol Oms; Isabel Vila; Arnau Bolet; Pere Anadón


PERMOPHILES | 2016

Insights on the Permian/Triassic transition in Western Tethys: new stratigraphic and paleontological data from the Catalan Pyrenees (NE Iberian Peninsula )

Eudald Mujal; Nicola Gretter; Luigi Ausonio Ronchi; J. López Gómez; Jocelyn Falconnet; J. B. Diez; R. De la Horra; Arnau Bolet; Oriol Oms; Alfredo Arche; José María Fernández Barrenechea; J. S. Steyer; Josep Fortuny


Archive | 2016

Constraining the Permian/Triassic boundary in continental environments: stratigraphic and paleontological record from the Southern-Eastern Pyrenees (NE Iberian Peninsula).

Eudald Mujal; Nicola Gretter; Luigi Ausonio Ronchi; J. López Gómez; Jocelyn Falconnet; J. B. Diez; R. De la Horra; Arnau Bolet; Oriol Oms; Alfredo Arche; José María Fernández Barrenechea; J. S. Steyer; Josep Fortuny


Spanish journal of palaeontology | 2015

First footprints ocurrence from the Muschelkalk detritical unit of the Catalan Basin: 3D analyses and palaeoichnological implications

Eudald Mujal; Josep Fortuny; Pablo Rodríguez Salgado; Marc Diviu; Oriol Oms; Angel Galobart Lorente


Archive | 2014

Dating of Permian Pyrenean terrestrial record (NE Iberian Peninsula). Interbasinal tetrapod ichnology correlation

Eudald Mujal; Josep Fortuny; Oriol Oms; Arnau Bolet; Àngel Galobart; Pere Anadón

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Arnau Bolet

Autonomous University of Barcelona

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Eudald Mujal

Autonomous University of Barcelona

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Oriol Oms

Autonomous University of Barcelona

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Alfredo Arche

Spanish National Research Council

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Jocelyn Falconnet

Centre national de la recherche scientifique

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Albert G. Sellés

Autonomous University of Barcelona

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Jaume Dinarès-Turell

Spanish National Research Council

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Josep Marmi

Autonomous University of Barcelona

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