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Fossil Mammals of AsiaNeogene Biostratigraphy and Chronology$
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Mikael Fortelius, Xiaoming Wang, and Lawrence Flynn

Print publication date: 2013

Print ISBN-13: 9780231150125

Published to Columbia Scholarship Online: November 2015

DOI: 10.7312/columbia/9780231150125.001.0001

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PRINTED FROM COLUMBIA SCHOLARSHIP ONLINE (www.columbia.universitypressscholarship.com). (c) Copyright University of Minnesota Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in CUPSO for personal use.date: 01 August 2021

Intercontinental Dispersals of Sicistine Rodents (Sicistinae, Dipodidae, Rodentia) Between Eurasia and North America

Intercontinental Dispersals of Sicistine Rodents (Sicistinae, Dipodidae, Rodentia) Between Eurasia and North America

Chapter:
(p.656) Chapter 30 Intercontinental Dispersals of Sicistine Rodents (Sicistinae, Dipodidae, Rodentia) Between Eurasia and North America
Source:
Fossil Mammals of Asia
Author(s):

Yuri Kimura

Publisher:
Columbia University Press
DOI:10.7312/columbia/9780231150125.003.0030

This chapter investigates the intercontinental dispersals of sicistine rodents (Sicistinae, Dipodidae, Rodentia) between Eurasia and North America. The Sicistinae is a subfamily of the superfamily Dipodoidea, which includes jerboas, jumping mice, and birch mice. Of all living and fossil sicistines, only Plesiosminthus- and Sicista-like mice are known from the Great Plains of North America in Early Oligocene to Late Miocene and early Pleistocene sediments. This chapter presents the results of a study that seeks to refine the phylogenetic relationships of Plesiosminthus and Sicista. The chapter begins with an overview of Plesiosminthus and Sicista fossils from Asia and proceeds by discussing the phylogenetic results of a cladistic analysis indicating that North American Schaubeumys and Macrognathomys are synonymous with Plesiosminthus and Sicista, respectively, and that Plesiosminthus and Sicista dispersed from Asia to North America.

Keywords:   intercontinental dispersal, sicistine rodents, Eurasia, North America, Sicistinae, Plesiosminthus, Sicista, phylogenetic relationships, Schaubeumys, Macrognathomys

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