Cerro de los Batallones

Cerro de los Batallones (Hill of the Battalions) is a hill at Torrejón de Velasco, Madrid, Spain where a number of fossil sites from the Upper Miocene (MN10) have been found.[1][2][3] Nine sites have been discovered with predominately vertebrate fossils, invertebrates and plants being less represented. The first deposits were discovered accidentally in July 1991.

2015 field works at Batallones 10 fossil site.

Batallones-10 (B-10) is considered to contain the oldest representative of fossils.[3]

Fossils

Nearly the entire proportion of fossils of Batallones-1 were of Carnivorans.[4] The species of sabre-tooth cat known as Promegantereon ogygia and Machairodus aphanistus (the first complete skull)[5] were found at B-1,[6] as was Simocyon a type of red panda.[7] In regards to the saber-tooth cats, Batallones-1 represents an ideal site for recording the percentage of specimens for which breakage of the upper canines occurred. Promegantereon, Machairodus and Paramachairodus are perfect examples of this at Batallones; fossils indicate a high number of canine breaks from where the teeth hit the bones of a struggling victim, indicating these early machairodonts would use their elongated teeth to subdue prey as modern big cats do.[8]

A new species of Hispanomys (Rodentia) was found at various sites.[3] A new species of Micromeryx (deer) was found at B-1 and B-10.[9]

Fauna

Below is a list of notable fossil genera from Cerro de los Batallones.[10]

Artiodactyla

Carnivora

Perissodactyla

Proboscidea

Rodentia
  • †Hispanomys

See also

Notes
  1. Domingo et al. 2011
  2. Morales, Alcalá & Álvarez-Sierra 2004
  3. López-Antoñanzas et al. 2010
  4. Peigné et al. 2008
  5. Antón et al. 2004
  6. Salesa et al. 2006
  7. Peigné et al. 2005
  8. Anton, Mauricio (2013). Sabertooth.
  9. Sánchez, Domingo & Morales 2009
  10. Antón, Mauricio (2013). Sabertooth. Bloomington, Indiana: University of Indiana Press. p. 52. ISBN 9780253010421.

References
  • Domingo, MS; Domingo, L; Sánchez, IM; Alberdi, MT; Azanza, B; Morales, J (January 2011). "New Insights on the Taphonomy of the Exceptional Mammalian Sites of Cerro de los Batallones (Late Miocene, Spain) Based on Rare Earth element Geochemistry". PALAIOS. 26 (1): 55–65. doi:10.2110/palo.2010.p10-047r.CS1 maint: ref=harv (link)
  • López-Antoñanzas, R; Peláez-Campomanes, P; Álvarez-Sierra, MA; García-Paredes, I (December 2010). "New species of Hispanomys (Rodentia, Cricetodontinae) from the Upper Miocene of Batallones (Madrid, Spain)". Zoological Journal of the Linnean Society. 160 (4): 725–47. doi:10.1111/j.1096-3642.2010.00618.x.CS1 maint: ref=harv (link)
  • Antón, M; Salesa, MJ; Morales, J; Turner, A (2004). "First known complete skulls of the scimitar-toothed cat Machairodus aphanistus (Felidae, Carnivora) from the Spanish late Miocene site of Batallones-1". Journal of Vertebrate Paleontology. 24 (4): 957–969. doi:10.1671/0272-4634(2004)024[0957:FKCSOT]2.0.CO;2.CS1 maint: ref=harv (link)
  • Morales, J; Alcalá, L; Álvarez-Sierra, M (June 2004). "Paleontología del sistema de yacimientos de mamíferos miocenos del Cerro de los Batallones, Cuenca de Madrid". Geogaceta (35). Archived from the original on 2012-07-11. Retrieved January 2012. Check date values in: |accessdate= (help)CS1 maint: ref=harv (link)
  • Peigné, S; Salesa, MJ; Antón, M; Morales, J (2005). "Ailurid carnivoran mammal Simocyon from the late Miocene of Spain and the systematics of the genus" (PDF). Acta Palaeontologica Polonica. 50 (2): 219–238. OCLC 716595914. Retrieved January 2013. Check date values in: |accessdate= (help)CS1 maint: ref=harv (link)
  • Peigné, S; Salesa, MJ; Antón, M; Morales, J (July 2008). "A New Amphicyonine (Carnivora: Amphicyonidae) from the Upper Miocene of Batallones-1, Madrid, Spain". Palaeontology. 51 (4): 943–65. doi:10.1111/j.1475-4983.2008.00788.x.CS1 maint: ref=harv (link)
  • Salesa, MJ; Antón, M; Turner, A; Morales, J (March 2006). "Inferred behaviour and ecology of the primitive sabre-toothed cat Paramachairodus ogygia (Felidae, Machairodontinae) from the Late Miocene of Spain". Journal of Zoology. 268 (3): 243–254. doi:10.1111/j.1469-7998.2005.00032.x.CS1 maint: ref=harv (link)
  • Sánchez, IM; Domingo, MS; Morales, J (2009). "New data on the Moschidae (Mammalia, Ruminantia) from the upper Miocene of Spain (Mn 10–Mn 11)". Journal of Vertebrate Paleontology. 29 (2): 567–575. doi:10.1671/039.029.0223.CS1 maint: ref=harv (link)

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