A unique multitoothed ornithomimosaur dinosaur from the Lower Cretaceous of Spain
Identifieur interne : 00AA66 ( Main/Exploration ); précédent : 00AA65; suivant : 00AA67A unique multitoothed ornithomimosaur dinosaur from the Lower Cretaceous of Spain
Auteurs : Bernardino P. Prez-Moreno [Espagne] ; Jos Luis Sanz [Espagne] ; Angela D. Buscalioni [Espagne] ; Jos J. Moratalla [Espagne] ; Francisco Ortega [Espagne] ; Diego Rasskin-Gutman [Espagne]Source :
- Nature [ 0028-0836 ] ; 1994-08-04.
Abstract
THE Lower Cretaceous lithographic limestones from Las Hoyas (province of Cuenca, Spain) have yielded important vertebrate fossil remains. We report here a new specimen, the first ornithomimosaur theropod found in Europe. Pelecanimimus polyodon gen. et sp. nov., has some striking elements preserved, such as the hyoid, sternum and integumentary impressions. The fossil has revealed other unexpected features, including a derived hand in an ancient ornithomimosaur, and a large number of teeth (over 200) with a distinctive morphology. This specimen suggests an alternative evolutionary process towards the toothless condition in Ornithomi-mosauria, which could be explained by an exaptation. Pelecanimimus polyodon stresses the relationship between Troodontidae and Ornithomimosauria.
Url:
DOI: 10.1038/370363a0
Affiliations:
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Moratalla</name><affiliation wicri:level="1"><country xml:lang="fr">Espagne</country><wicri:regionArea>Unidad de Paleontologa, Departamento de Biologa, Facultad de Ciencias, Universidad Autonma de Madrid, 28049-Madrid</wicri:regionArea><wicri:noRegion>28049-Madrid</wicri:noRegion></affiliation></author><author><name sortKey="Ortega, Francisco" sort="Ortega, Francisco" uniqKey="Ortega F" first="Francisco" last="Ortega">Francisco Ortega</name><affiliation wicri:level="1"><country xml:lang="fr">Espagne</country><wicri:regionArea>Unidad de Paleontologa, Departamento de Biologa, Facultad de Ciencias, Universidad Autonma de Madrid, 28049-Madrid</wicri:regionArea><wicri:noRegion>28049-Madrid</wicri:noRegion></affiliation></author><author><name sortKey="Rasskin Gutman, Diego" sort="Rasskin Gutman, Diego" uniqKey="Rasskin Gutman D" first="Diego" last="Rasskin-Gutman">Diego Rasskin-Gutman</name><affiliation wicri:level="1"><country xml:lang="fr">Espagne</country><wicri:regionArea>Unidad de Paleontologa, Departamento de Biologa, Facultad de Ciencias, Universidad Autonma de Madrid, 28049-Madrid</wicri:regionArea><wicri:noRegion>28049-Madrid</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Nature</title><idno type="ISSN">0028-0836</idno><imprint><publisher>Nature Publishing Group</publisher><date type="published" when="1994-08-04">1994-08-04</date><biblScope unit="volume">370</biblScope><biblScope unit="issue">6488</biblScope><biblScope unit="page" from="363">363</biblScope><biblScope unit="page" to="367">367</biblScope></imprint><idno type="ISSN">0028-0836</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0028-0836</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract">THE Lower Cretaceous lithographic limestones from Las Hoyas (province of Cuenca, Spain) have yielded important vertebrate fossil remains. We report here a new specimen, the first ornithomimosaur theropod found in Europe. Pelecanimimus polyodon gen. et sp. nov., has some striking elements preserved, such as the hyoid, sternum and integumentary impressions. The fossil has revealed other unexpected features, including a derived hand in an ancient ornithomimosaur, and a large number of teeth (over 200) with a distinctive morphology. This specimen suggests an alternative evolutionary process towards the toothless condition in Ornithomi-mosauria, which could be explained by an exaptation. Pelecanimimus polyodon stresses the relationship between Troodontidae and Ornithomimosauria.</div></front></TEI><affiliations><list><country><li>Espagne</li></country></list><tree><country name="Espagne"><noRegion><name sortKey="Prez Moreno, Bernardino P" sort="Prez Moreno, Bernardino P" uniqKey="Prez Moreno B" first="Bernardino P." last="Prez-Moreno">Bernardino P. 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