Table of Content

15 December 2004, Volume 43 Issue 04

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LAGOMORPHS FROM THE YIHESUBULATE EOCENE OF NEI MONGOL (INNER MONGOLIA)

MENGJin, HU YaoMing

2004, 43(04):  261-275. 

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Four lagomorphs , Gobiolagus major, Hypsimylusyihesubuensis sp. nov. , Desmatolagus cf. D. vetustus ,and Desmatolagus sp. from a new late Eocene locality, Yihesubu, Nei Mongol, are described. Upper dental morphology of Gobiolagus major is known for the first time. Hypsimylus yihesu buensis sp. nov. helps to demonstrate this genus a lagomorph , not a eurymylid. The taxonomic position of D. vetustus , the most primitive species of Desmatolagus, is reconsidered.

MAMMAL FOSSILS FROM YAGOU, LINXIA BASIN, GANSU, AND RELATED STRATIGRAPHIC PROBLEMS

2004, 43(04):  276-296. 

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This is the 2nd report on the Yagou mammalian fauna following the article on the giant rhinoceros fossils published recently by the present authors (Qiu et al., 2004). Except two species of giant rhinoceros, eight forms were reported here: Tsaganomys altaicus, Megalopterodon sp., Schizotherium ordosium, Hyracodontidae gen. et sp. indet., Ardynia altidentata sp. nov., Ardynia sp., Aprotodon lanzhouensis, and Paraentelodon cf. P. macrognathus.

ON SOME SPECIES OF PROSIPHN EUS (SIPHNEIDAE, RODENTIA) AND THE ORIGIN OF SIPHNEIDAE

2004, 43(04):  297-315. 

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Prosiphneus Teilhard de Chardin, 1926 is the most primitive genus of the Siphneidae Leroy, 1941 and one of the most important rodent taxa of East Asian Hipparion Fauna. Prosiphneus licenti from Qingyang, Gansu had been regarded as the earliest species before the early late Miocene “Pr. inexpectatus” was found from Amuwusu, Nei Mongol by Zhou Zheng in 1983. However, the latter species name is not valid because it has not been published, though cited by Zheng in 1994, and the specimens are lost. Fortunately , more materials were collected from the same locality by Qiu Zhanxiang in 1986 and Qiu Zhuding in 1995～1996. In 2000, Dr. Hao Qingzhen collected some isolated teeth of Prosiphneus from different layers of a section located 27 km northwest of Qinan town. These fossils were listed as Prosiphneus n. sp. 2, Prosiphneus n. sp. 1, and Pr. licenti respectively without description (Guo et al., 2002). Based on detailed description of the above materials, the relationships among Prosiphneus species and the origin of siphneids are discussed herein.

LATE MIOCENE HIPPARION ( EQUIDAE, MAMMALIA) OF EASTERN QAIDAM BASIN IN QINGHAI, CHINA

DENG Tao, WANG XiaoMing

2004, 43(04):  316-333. 

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Summary can be seen in PDF.

BRONTOTHERES (PERISSODACTYLA , MAMMALIA) FROM THE MIDDLE EOCENE OF LUNAN, YUNNAN

HUANG XueShi， ZHENG JiaJian

2004, 43(04):  334-339. 

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The brontotheres described in the present paper were collected from the Middle Eocene Lumeiyi Formation of Lunan Basin ,Yunnan by a field team of IVPP in 1970s. They include two species -Protitan major sp. nov. (V 13802～4) and Protitan cf. P. robustus which represented by a left lower jaw with p3～m3 as well as broken c1 and p2, a right lower jaw with p3～m3 of same individual (V 13805) .

A CONSIDERATION OF THE PALEONTOLOGICAL CONTRIBUTIONS OF WILL DOWNS WITH A GENERAL CORRELATION OF CHINESE NEOGENE LOCALITIES

Catherine BADGLEY, Lawrence J . FLYNN, Louis L. JACOBS, Louis H. TAYLOR

2004, 43(04):  340-344. 

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