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Taxonomic diversity of ochotonids:
ERVAJEVA ET AL.

Plain-Language &
Multilingual  Abstracts

Abstract

Introduction

Materials

The Diversity of Ochotonids and their Evolutionary Development

Review of North American Pikas of the Past

Comparison between Living Asian and North American Pikas

Conclusions

Acknowledgments

References

 

 

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MATERIALS

Recent and fossil specimens examined for this study belong to: Geological Institute of the Siberian Branch RAS, Ulan-Ude; Institute of Plant and Animal Ecology USC, Yekaterinburg; Zoological Institute RAS, Saint Petersburg, Russia and Institute of Geology SB RAS, Yakutsk (Russia); American Museum of Natural History, New York; Smithsonian Institution, Washington, D.C.; Carnegie Museum of Natural History, Pittsburgh; Denver Museum of Nature and Science; and the University of California, Museum of Paleontology (USA).

The systematic organization of fossil species presented below is based on the morphology of preserved skulls, mandibles and teeth, and on biometric studies. Most living species, in addition to the mentioned characters, were diagnosed according to external features such as body ratio or pelage. The comparative analysis of living and extinct species is based mainly on the tooth structures and in part on preserved fragments of skull and mandibles for fossil forms.

We follow the standard Ochotona dental morphology outlined by Erbajeva (1988). In a whole more than 2000 specimens of living pikas and approximately 650 specimens of fossil Ochotona were examined from mentioned above Institutions.

Classification of the family Ochotonidae

Five families are recognized in the order Lagomorpha: Mimolagidae Erbajeva, 1986, Leporidae Gray, 1821, Palaeolagidae Dice, 1929, Prolagidae Gureev, 1960, and Ochotonidae Thomas, 1897. The family Ochotonidae includes two subfamilies, Sinolagomyinae Gureev, 1960 and Ochotoninae Thomas, 1897. The chronologic range of Sinolagomyinae is Oligocene to Miocene. Ochotoninae is known from the Miocene – Recent. The classification of genera (after Erbajeva 1994, modified with new data from Sen, 2003) is as follows:

Ochotonidae Thomas, 1897

Sinolagomyinae Gureev, 1960

Sinolagomys Bohlin, 1937
Austrolagomys Stromer, 1926
Kenyalagomys MacInnes, 1953
Oreolagus Dice, 1917
Bellatona Dawson, 1961
Heterolagus Crusafont, Villata, and Truyols, 1955
Bellatonoides Sen, 2003

Ochotoninae Thomas, 1897

Marcuinomys Groizet, 1839
Lagopsis Schlosser, 1884
Albertona Lopez-Martinez, 1986
Alloptox Dawson, 1961
Paludotona Dawson, 1959
Proochotona Chomenko, 1914
Ochotonoides Teilhard de Chardin and Young, 1931
Pliolagomys Erbajeva, 1983 in Agadjanian and Erbajeva, 1983
Ochotonoma Sen, 1998
Ochotona Link, 1795

 

Next Section

Taxonomic diversity of ochotonids
Plain-Language & Multilingual  Abstracts | Abstract | Introduction | Materials
The Diversity of Ochotonids and their Evolutionary Development
Review of North American Pikas of the Past | Comparison between Living Asian and North American Pikas
Conclusions| Acknowledgments | References
Print article