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Article: New multituberculate mammals from the Hauterivian/Barremian transition of Europe (Iberian Peninsula)

Publication: Palaeontology
Volume: 51
Part: 6
Publication Date: November 2008
Page(s): 1455 1469
Author(s): Ainara Badiola, José I. Canudo and Gloria Cuenca-Bescós
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How to Cite

BADIOLA, A., CANUDO, J. I., CUENCA-BESCÓS, G. 2008. New multituberculate mammals from the Hauterivian/Barremian transition of Europe (Iberian Peninsula). Palaeontology51, 6, 1455–1469.

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New multituberculate mammals from the Hauterivian/Barremian transition of Europe are described. They were found in the late Hauterivian-early Barremian fossiliferous locality of La Cantalera (Josa, Teruel, Spain), one of the Early Cretaceous sites in the Aragonese branch of the Iberian Ranges, in northeastern Iberia. The fossils have been assigned to at least three taxa on the basis of nine isolated teeth: a new pinheirodontid taxon, Cantalera abadi gen. et sp. nov.; a representative of the eobaatarid Eobaatar; a taxon described as Plagiaulacidae or Eobaataridae gen. et sp. indet.; and other as Plagiaulacida indet. These fossils have increased the resolution of European Early Cretaceous multituberculate mammalian biostratigraphy and palaeobiogeography: the oldest representative of Eobaatar is described here; a taxon is assigned to ?Plagiaulacidae, in which case it would be the first of this family in the Iberian Peninsula; and the discovery of a new late Hauterivian pinheirodontid taxon demonstrates greater biodiversity and a wider distribution for these multituberculates than was previously known. The mutituberculate fauna of La Cantalera consists of endemic taxa (Pinheirodontidae), which were restricted to what is now Western Europe, and others (Eobaataridae) which have also been described in Asia. Consistent with the Iberian record of late Barremian gobiconodontid mammals, the presence of Eobaatar in Iberia with representatives from the late Hauterivian to late Barremian, as well as in the Aptian or Albian of Mongolia, indicates that faunal exchanges between Europe and Asia could have existed for most of the Early Cretaceous, either sporadically or constantly.
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