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Resumo(s)
Abstract More than one century after its original description by Marsh in 1877, we report in this paper the first uncontroversial evidence of a member of the genus Stegosaurus out of North America. The specimen consists of a partial skeleton from the Upper Jurassic of Portugal,herein considered as Stegosaurus cf. ungulatus. The presence of this plated dinosaur in the upper Kimmeridgian–lower Tithonian Portuguese record and synchronic levels of
the Morrison Formation of North America reinforces previous hypothesis of a close relationship between these two areas during the Late Jurassic. This relationship is also
supported by geotectonic evidences indicating high probability of an episodic corridor between the Newfoundland and
Iberian landmasses. Together, Portuguese Stegosaurus discovery and geotectonic inferences could provide a scenario
with episodical faunal contact among North Atlantic landmasses during the uppermost Kimmeridgian–lowermost Tithonian (ca. 148–153 Ma ago).
Descrição
Naturwissenschaften 94,367–374
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Contexto Educativo
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Editora
Springer-Verlag