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Revista Geológica de América Central
versão On-line ISSN 0256-7024versão impressa ISSN 0256-7024
Resumo
LAURITO, César A e VALERIO, Ana L. Scirrotherium antelucanus, a new species of Pampatheriidae (MAMMALIA, Xenarthra, Cingulata) from the Upper Miocene of Costa Rica, Central America. Rev. Geol. Amér. Central [online]. 2013, n.49, pp.45-62. ISSN 0256-7024.
For the first time the genus Scirrotherium is recorded and a new species is described for the early Hemphillian of Costa Rica. This finding constitutes a new clue about the early arrived of South American heralds to Central American during Pre-Great American Biotic Interchange, increasing by at least 3 Ma the record of the Pampatheriidae family in the Northern Hemisphere. The new Central America species described herein differs from the South American species of Scirrotherium because they have osteoderms with an inconspicuous ornamentation, a plain central figure and a remarkable area size.
Palavras-chave : Mammalia; Xenarthra; Pampatheriidae; Scirrotherium; Upper Miocene; Costa Rica; pre-GABI.