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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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Mammalian Biochronology of the Late Miocene Bahe Formation

Mammalian Biochronology of the Late Miocene Bahe Formation

(p.187) Chapter 6 Mammalian Biochronology of the Late Miocene Bahe Formation
Fossil Mammals of Asia

Zhao-Qun Zhang

Anu Kaakinen

Li-Ping Liu

Juha Pekka Lunkka

Sevket Sen

Wulf A. Gose

Zhu-Ding Qiu

Shao-Hua Zheng

Mikael Fortelius

Columbia University Press

This chapter analyzes the mammalian biochronology of the late Miocene Bahe Formation in China. It first describes the lithostratigraphy and depositional environments in the Lantian region, followed by a discussion of fossil localities in the Bahe and Lantian formations. It then considers the lithologic profile of the Bahe Formation, plots old localities and new fossil localities in it, updates the faunal list, and calibrates the age of the main localities by paleomagnetic dating. It also discusses the concept of the Bahean age and tentatively proposes its resurrection. It shows that the late Neogene record of mammalian fossils unearthed from the sedimentary sequence in Lantian is among the most complete in China. On the basis of sedimentological observations and isotope composition, the chapter finds moderately stable and dry conditions for the Bahe Formation, in accord with land mammals adapted to relatively open and arid conditions. Fossil mammals reveal little evidence of faunal change in the Bahe Formation.

Keywords:   biochronology, Miocene, Bahe Formation, China, lithostratigraphy, Lantian, fauna, Neogene, fossils, land mammals

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