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Fossil Record A palaeontological open-access journal of the Museum für Naturkunde
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In this work we sought to use modern research techniques to revisit a ichthyosaur specimen from Portugal, the most complete fin of our fossil record, and verify the validity of the specimen's historical identification. Through the use of phylogenetic analysis and anatomical comparisons with other specimens, we have assigned a new classification to the specimen and concluded it is the southernmost exemplar of the group.
FR | Articles | Volume 24, issue 2
Foss. Rec., 24, 287–294, 2021
https://doi.org/10.5194/fr-24-287-2021
Foss. Rec., 24, 287–294, 2021
https://doi.org/10.5194/fr-24-287-2021

Research article 09 Sep 2021

Research article | 09 Sep 2021

The southernmost occurrence of Ichthyosaurus from the Sinemurian of Portugal

João Sousa and Octávio Mateus

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Cited articles

Blanco, L. H.: Mapa Geológico de la Península Ibérica, Baleares y Canarias, Instituto Tecnológico Geominero de España, 1995. 
Bonaparte, C. L.: A new systematic arrangement of vertebrated animals, Transactions of the Linnean Society of London, 18, 247–304, 1840. 
Castanhinha, R. and Mateus, O.: A review on the marine reptiles of Portugal: ichthyosaurs, plesiosaurs and mosasaurs, J. Vertebr. Paleontol., 27, 57A, 2007. 
de Blainville, H.: Description de quelques espèces de reptiles de la Californie, précédé de l'analyse d'un système général d'erpétologie et d'amphibiologie, in Nouvelles Annales du Muséum d'Histoire Naturelle, Paris, Vol. 4, 233–296, 1835. 
De la Beche, H. T. and Conybeare, W. D.: XXX. – Notice of the discovery of a new Fossil Animal, forming a link between the Ichthyosaurus and Crocodile, together with general remarks on the Osteology of the Ichthyosaurus, Transactions of the Geological Society of London, 1, 559–594, 1821. 
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Short summary
In this work we sought to use modern research techniques to revisit a ichthyosaur specimen from Portugal, the most complete fin of our fossil record, and verify the validity of the specimen's historical identification. Through the use of phylogenetic analysis and anatomical comparisons with other specimens, we have assigned a new classification to the specimen and concluded it is the southernmost exemplar of the group.
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