Table of Content

15 June 1993, Volume 31 Issue 02

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FIRST RECORD OF LATE CRETACEOUS HYPSILOPHODONTID EGGS FROM BAYAN MANDUHU, INNER MONGOLIA

Zhao Zikui， Li Rong

1993, 31(02):  77-84. 

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A nest of hypsilophodontid eggs was collected from the Djadokhta Formation, Bayan Manduhu„ Inner Mongolia Autonomous Region by one of us (Li Rong) in autumn of 1990. This is the first discovery of this type of eggs in China. The first well-documented hypsilophodontid egg was described by Horner and Weishampel in 1988 and by Hirsch and Quinn in 1990 as Orodromeus makelai based on the eggs containing identifiable embryonic skeletons found in the Upper Cretaceous (Campanian) Two Medicine Formation of western Montana, North America. The present paper describes and illustrates these fossil eggshells found in Bayan Manduhu by polarizing light microscopy (PLM) and scanning electron microscopy (SEM).

A NEW SPECIMEN OF PEIPEHSUCHUS TELEORHINUS FROM ZILIUJING FORMATION OF DAXIAN, SICHUAN

Li Jinling

1993, 31(02):  85-94. 

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A NEW BAMBOO RAT FROM THE LATE MIOCENE OF YUSHE BASIN

Lawrence J. Flynn

1993, 31(02):  95-101. 

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A new species of rhizomyid rodent is described from late Neogene deposits of Yushe Basin, Shanxi Province. It resembles Rhizomys (Brachyrhizomys) shansius, but differs in its smaller and proportionally narrower molars, and retention of a mure and short mesolophid on Ms. That two bamboo rats occurred in the late Neogene of this region, beyond the northern limit of present distribution for the family, indicates greater diversity than previously known and moister conditions than at present.

NEW INFORMATION ON BREVIROSTRINAE FROM THE NIHEWAN BASIN IN YUXIAN COUNTY, HEBEI PROVINCE

Zong Guanfu, Wei Qi

1993, 31(02):  102-109. 

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ANTHRACOTHERE FOUND IN SIHONG, JIANGSU

Liu Guanbang, Zhang Chenghua

1993, 31(02):  110-116. 

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The writer's of the present paper recently secured two fragments of fossil mammalian mandible belonging the same individual, with well preserved P4-M3 and partially damaged P2 and P8, from Sihong of Jiangsu Province. The discovery is of great interest and important from the palaeontological as well as stratigraphical points of view, because it has provided not only the first fossil proof of the presence of anthracothere in Sihong district, but represents a nep form. Therefore we like to give the following notes of this interesting specimen.

THE LATE PLEISTOCENE CERVOIDEA (ARTIODACTYLA) FROM XIANREN CAVE, JI'AN, JILIN

Dong wei, Jiang Peng

1993, 31(02):  117-131. 

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A NEW MID-JURASSIC SAUROPOD (KLAMELISAURUS GOBIENSIS GEN. ET SP. NOV.) FROM XINJIANG, CHINA.

Zhao Xijin

1993, 31(02):  132-138. 

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Klamelisaurus gobiensis, new genus and species of Saurischia is described briefly in this note. Klamelisaurus gobiensis is a large and midtrantional kind of sauropod, 17 m in length. The teeth rather massive and spatulate in form. There are 16(?) cervical, the centrum obviously opisthocoelous, the neural spines rather high. These posterior 3 cervical neural spines are fused. The cervical centrum average length is 1.5—2 times that of dorsals. There are 13 dorsals, the centrum of it is opisthocoelous, the cavernous structure is rather developed on the side of the centrum, but the lamellar structure simple and massive on the neural arch and spines are very thick and strong. Five sacral vertebrae are fused. The neural spines of caudal vertebrae stick in shape and rather toward the back. The scapula very thin and long, the coracoid slender. The pelvic girdles heavy. The Ilium massive with a less developed upper flange. The public peduncle occurs on the front half of the ilium blade. The ischium rather thin, but the well developed pubis distinctly flat and slightly curved. The proximale end of humerus thicken and curved, The ulna much Ionger than the radius. Thé radius somewhat straight. The femur thick and somewhat flat with slender articular head and fourth trochanter is situated toward the upper part of the ventral surface of the shaft. The tibia is somewhat no developed and shorter than fibula. The ratio of forearm to hindarm is 3 to 4. In sum, the Klamelisaurus gobiensis belong to the family Brachiosauridae, which contains 4 subfamilies: Cetiosaurinae; Brachiosaurinae; Camarasaurinae and Euhelopodinae, but the Xingiang specimen is not part of any old subfamilies of the family Brachiosauridae. In fact, it belongs to new subfamily named Klamelisaurinae. The Klamelisaurus shows a lot of primitive feature, even though it is an essentially advanced sauropod. It obviously represent an intermediate form of evolutionary stage of sauropod, so the age of the fossil bearing bed of Wucaiwan Formation is considered to be Middle Jurassic, based upon the result of the discussion of the Klamelisaurus and other members (Monolophosaurus; turtles and crocodiles) of Wucaiwan fauna.

THE END OF THE DINOSAURIAN ERA IN THE NANXIONG BASIN

Dale A. Russell, Donald E. Russell, Arthur R. Sweet

1993, 31(02):  139-145. 

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