First Triassic tetrapod (Sauropterygia, Nothosauridae) from Castilla y León: evidence of an unknown taxon for the Spanish record

  • Carlos de Miguel Chaves Universidad Nacional de Educación a Distancia (UNED)
  • Sandra García-Gil Universidad de Vigo
  • Francisco Ortega Universidad Nacional de Educación a Distancia (UNED)
  • José Luis Sanz Universidad Autónoma de Madrid (UAM)
  • Adán Pérez-García Universidad Nacional de Educación a Distancia (UNED)
Keywords: Muschelkalk, Nothosauria, Nothosaurus, Soria, Iberian record
Agencies: Universidad Nacional de Educación a Distancia

Abstract

Several vertebrae of a sauropterygian specimen have been recovered in Fuencaliente de Medinaceli (Soria Province, Castilla y León, Spain). The remains come from Middle–Upper Triassic Muschelkalk Facies. This finding represents the first documented evidence of a Triassic tetrapod in Castilla y León. The vertebrae belong to Nothosaurus, a sauropterygian genus found in Europe, Middle East, North of Africa and China. This genus is poorly-known in the Iberian record. The new remains constitute the first evidence of the species Nothosaurus giganteus, or a related taxon, in the Iberian Peninsula. This study reveals the occurrence of at least two species of the sauropterygian Nothosaurus in the Spanish record.

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Author Biographies

Carlos de Miguel Chaves, Universidad Nacional de Educación a Distancia (UNED)
Grupo de Biología Evolutiva, Facultad de Ciencias
Sandra García-Gil, Universidad de Vigo
Departamento Geociencias Marinas y O.T., Facultad Ciencias del Mar
Francisco Ortega, Universidad Nacional de Educación a Distancia (UNED)
Grupo de Biología Evolutiva, Facultad de Ciencias
José Luis Sanz, Universidad Autónoma de Madrid (UAM)
Unidad de Paleontología, Departamento de Biología, Facultad de Ciencias
Adán Pérez-García, Universidad Nacional de Educación a Distancia (UNED)
Grupo de Biología Evolutiva, Facultad de Ciencias
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Published
2016-04-26
How to Cite
de Miguel Chaves C., García-Gil S., Ortega F., Sanz J. L. y Pérez-García A. (2016). First Triassic tetrapod (Sauropterygia, Nothosauridae) from Castilla y León: evidence of an unknown taxon for the Spanish record. Journal of Iberian Geology, 42(1), 29-38. https://doi.org/10.5209/rev_JIGE.2016.v42.n1.51210
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