Table of Content

15 September 1993, Volume 31 Issue 03

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TWO NEW GENERA OF ANAGALIDAE (ANAGALIDA, MAMMALIA) FROM THE PALEOCENE OF QIANSHAN, ANHUI AND THE PHYLOGENY OF ANAGALIDS

Hu Yaoming

1993, 31(03):  153-182. 

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NEW ANTHRACOTHERE MATERIALS FROM THE PALEOGENE OF GUANGXI

Zhao Zhongru

1993, 31(03):  183-190. 

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Up to now six genera and sixteen species of anthracotheres have been recorded in Guangxi province. In this paper specimens of three taxa recently collected from the Late Eocene and Oligocene are reported. Anthracokeryx kwanqsiensis and Heothema sp. are only represented by isolated teeth from the Late Eocene—Early Oligocene deposits of the Bose Basin. The third, from the Nanning Basin, is assignable to the genus Anthracotherium and are briefly described as follows.

THE SKULL, MANDIBLE AND DENTITION OF GIANT PANDAS (AILUROPODA): MORPHOLOGICAL CHARACTERS AND THEIR EVOLUTIONARY IMPLICATIONS

Huang Wanpo

1993, 31(03):  191-207. 

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ENAMEL STRUCTURE OF THE EQUID CHEEK TEETH FROM THE LATE PLEISTOCENE OF DALIAN, LIAONING

Ouyang Lian, Xu Qinqi

1993, 31(03):  208-216. 

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Fossils of three species of Equus are known in the Gulongshan Cave Site at Dalian, i.e. E. hemionus (the wild ass), E. przewalskyi sinensis (the small wild horse) and E. dalianensis (the large wild horse) Though the small wild horse is close to the living species E. przewalskyi in size of the body and metapodials, their upper and lower cheek teeth are smaller than those in the living species E. przewalskyi. These characters can distinguish the small wild horse from the living species E. przewalskyi. Therefore the small wild horse was tentatively named E. przewalskyi sinensis in 1990. We have recently observed the enamel structure of the cheek teeth of E. przewalskyi sinensis, E. dalianensis. E. hemionus, and the living species (E. przewalskyi caballus and E. hemionus) with Scanning Electron Microscope (SEM). This paper reports the result of a SEM study of the enamel structure of the equid forms mentioned above.

A NEW FOSSIL BIRD FROM LOWER CRETACEOUS OF LIAONING

Hou Lianhai, Zhang Jiangyong

1993, 31(03):  217-224. 

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This paper describes a recently discovered fossil bird from the early Early Cretaceous of Chaoyang, Liaoning Province. Its morphological characteristics suggest that it is a new representative of early birds. The pelvis of the new bird is primitive and resembles that of Archaeopzeryx, and its vertebral ribs are similar to thoes of Hesperornis, Ichihyonis and modern birds, but differs from those of Sinornis and Cathayornis.

GERASPIDIDAE, A NEW FAMILY OF POLYBRAN.CHIASPIDIDA (AGNATHA) FROM SILURIAN OF NORTHERN ANHUI

Pan Jiang, Chen Liezu

1993, 31(03):  225-230. 

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The Wenlockian agnathan specimen described in this paper was collected by a filed team of Anhui Regional Geological Bureau during the 1985 field season from the lowermost part of Maoshan Formation or the upper most part of Fentou Formation in Wuwei district, N. Anhui.