New species of Hispanomys (Rodentia, Cricetodontinae) from the upper miocene of batallones (Madrid, Spain)

Raquel López-Antoňanzas*, Pablo Peláez-Campomanes, M. Ángeles Álvarez-Sierra, Israel Garcia-Paredes, Raquel Lopez-Antonanzas

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)

31 Citations (Scopus)

Abstract

Material of Hispanomys (Rodentia, Cricetodontinae) is described from various localities at Batallones (MN10) (Madrid, Spain). All of it belongs to a single species, which differs from the other known species of the genus and a new taxon, Hispanomys moralesi sp. nov., is created for it. The samples from the various localities show differences interpreted as being the result of slight age disparities amongst the different sites. Although they were previously thought to be coeval, Batallones 10 is probably older than Batallones 1, which is possibly older than Batallones 3. Hispanomys moralesi sp. nov. is characterized by several morphological features such as the lack of cingula and mesolophs, the presence of well-developed ectolophs, four- or five-rooted M1, short or absent mesolophids, and reduced and simplified M3. Hispanomys moralesi sp. nov. is a relatively derived species, the evolutionary stage of which is comparable to those of other members of the genus from the Upper Vallesian.

Original languageEnglish
Pages (from-to)725-747
Number of pages23
JournalZoological Journal of the Linnean Society
Volume160
Issue number4
DOIs
Publication statusPublished - 1 Dec 2010

Keywords

  • Biochronology
  • Biostratigraphy
  • Evolution
  • Systematics

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