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Acta Theriologica

, Volume 48, Issue 1, pp 11–24 | Cite as

Geographical variation of skull characters in pikas (Ochotona, Lagomorpha) of thealpina-hyperborea group

  • Andrey A. Lissovsky
Article

Abstract

A multivariate analysis of 11 skull measurements, along with evaluation of the shape of maxill-premaxill suture at palatine foramina, was carried out in pikas of thealpina-hyperborea group. The study provided rational for recognition of three distinct species in this group:Ochotona alpina (Pallas, 1773),O. hyperborea (Pallas, 1811), andO. turuchanensis Naumov, 1934.O. turuchanensis is a species from central Siberia differing fromO. hyperborea in the chromosome number and type of palatine foramina and fromO. alpina in size of the skull. This species is allopatric withO. alpina and partly sympatric withO. hyperborea. The subspeciessvatoshi is reportedly allocated toO. hyperborea. The taxonomic status ofmantchurica (now allocated tohyperborea) and scorodumovi (treated at present as an isolated subspecies of O. alpina) needs careful investigation.

Key words

Ochotona systematics skull palatine foramina Palearctic 

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Copyright information

© Mammal Research Institute, Bialowieza, Poland 2003

Authors and Affiliations

  • Andrey A. Lissovsky
    • 1
  1. 1.Zoological MuseumMoscow State UniversityMoscowRussia

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