A large mamenchisaurid from the Junggar Basin, Xinjiang, People's Republic of China

1993 ◽  
Vol 30 (10) ◽  
pp. 2082-2095 ◽  
Author(s):  
Dale A. Russell ◽  
Zhong Zheng
Keyword(s):  
Late Jurassic ◽  
Cervical Vertebrae ◽  
Junggar Basin ◽  
People’S Republic Of China ◽  
Undescribed Species ◽  
People's Republic Of China ◽  
Republic Of China ◽  
Close Relationship ◽  
Cervical Ribs

An articulated neck of a large, mature sauropod, with enormously elongated cervical ribs, was discovered in strata of Late Jurassic age in the eastern Junggar Basin, Xinjiang, People's Republic of China. The animal is estimated to have originally measured 26 m in length, but was lightly proportioned relative to Brachiosaurus and Apatosaurus. Rudimentary spines on the anteriormost cervical vertebrae diagnose a previously undescribed species of Mamenchisaurus. Cranial parts associated with the neck do not support a close relationship with diplodocids. Mamenchisaurs apparently belong to an endemic Jurassic radiation of Asian sauropods.

New material of Dracochelys (Eucryptodira: Sinemydidae) from the Junggar Basin, Xinjiang, People's Republic of China

2001 ◽  
Vol 38 (12) ◽  
pp. 1645-1651 ◽  
Author(s):  
Donald B Brinkman
Keyword(s):  
Junggar Basin ◽  
People’S Republic Of China ◽  
Postcranial Skeleton ◽  
People's Republic Of China ◽  
Republic Of China ◽  
Close Relationship ◽  
New Material

A new specimen of Dracochelys bicuspis documents the lower jaws and postcranial skeleton of this taxon. A close relationship with Hangaiemys is supported by the presence of nine neural bones, with the sulcus between the fourth and fifth vertebral scute crossing the ninth neural. The two taxa differ in the contacts of the first peripheral, shape of the vertebral scutes, and pattern of fenestration of the plastron. Dracochelys differs from "Sinemys" wuerhoensis and "S. " efremovi, which also occur in the Tugulu Group, in features of the carapace, especially the arrangement of the posterior neurals and suprapygals.

A basal coelurosaur (Dinosauria: Theropoda) from the Late Jurassic (Oxfordian) of the Shishugou Formation in Wucaiwan, People's Republic of China

2010 ◽  
Vol 30 (6) ◽  
pp. 1773-1796 ◽  
Author(s):  
Jonah N. Choiniere ◽  
James M. Clark ◽  
Catherine A. Forster ◽  
Xing Xu
Keyword(s):  
Late Jurassic ◽  
People’S Republic Of China ◽  
People's Republic Of China ◽  
Republic Of China

An isolated dinosaurian prootic with possible stegosaurian affinities (Dinosauria: Thyreophora) from the Upper Jurassic Qigu Formation of the southern Junggar Basin, NW-China

2019 ◽  
Vol 294 (3) ◽  
pp. 275-283 ◽  
Author(s):  
Michael W. Maisch ◽  
Andreas T. Matzke
Keyword(s):  
Junggar Basin ◽  
Upper Jurassic ◽  
People’S Republic Of China ◽  
People's Republic Of China ◽  
Nw China ◽  
Autonomous Region ◽  
Republic Of China ◽  
Xinjiang Uygur Autonomous Region ◽  
The Third

An isolated right prootic of a dinosaur is described from the lower Qigu Formation (Upper Jurassic) of Liuhuanggou, Xinjiang Uygur Autonomous Region, People's Republic of China. It is phenetically closest to the prootics of well-known stegosaurids, such as Stegosaurus and Kentrosaurus. Based on this resemblance as well as the co-occurrence of diagnostic stegosaurian material in the same assemblage, the element may represent a stegosaur. If correctly identified, it would be the third stegosaurian record from the southern Junggar Basin.

Echinoderm Faunas of the Hongguleleng Formation, Late Devonian (Famennian), Xinjiang-Uygur Autonomous Region, People's Republic of China

1997 ◽  
Vol 71 (S47) ◽  
pp. 1-43 ◽  
Author(s):  
N. Gary Lane ◽  
Johnny A. Waters ◽  
Christopher G. Maples
Keyword(s):  
New Species ◽  
New Genus ◽  
Junggar Basin ◽  
People’S Republic Of China ◽  
Late Devonian ◽  
People's Republic Of China ◽  
New Genus And Species ◽  
Autonomous Region ◽  
Republic Of China ◽  
Xinjiang Uygur Autonomous Region

Famennian (Late Devonian) echinoderm faunas are poorly known on a global basis, although reasonably diverse faunas have been reported from England and Germany. We have collected a diverse (>500 specimens representing approximately 30 taxa) Famennian echinoderm fauna dominated by blastoids and inadunate, small-calyx camerate, and flexible crinoids from the Hongguleleng Formation, Junggar Basin, Xinjiang–Uygur Autonomous Region, People's Republic of China. Taxa reported here include five new genera and six new species of blastoids along with one new genus and 19 new species of crinoids. Blastoid taxa include Junggaroblastus hoxtolgayensis new genus and species, Orophocrinus devonicus new species, Xinjiangoblastus ornatus new genus and species, Uyguroblastus conicus new genus and species, Sinopetaloblastus jinxingae new genus and species, and Houiblastus devonicus new genus and species. Crinoid taxa include Uperocrinus zhaoae new species, ?Hexacrinites species, Agathocrinus junggarensis new species, Chinacrinus xinjiangensis new genus and species, ?C.nodosus new genus and species, C. species A, C. species B, C. species C, Eutaxocrinus chinaensis new species, E. boulongourensis new species, E. basellus new species, Forbesiocrinus inexpectans new species, Deltacrinus asiaticus new species, Bridgerocrinus minutus new species, B. delicatulus new species, Cosmetocrinus parvus new species, ?Pachylocrinus subpentagonalis new species, “Decadocrinus” constrictus new species, “D.” elongatus new species, “D.” rugosus new species, “D.” usitatus new species, “D.” xinjiangensis new species, ?Graphiocrinus species, Holcocrinus asiaticus new species, and four species of inadunate crinoids that could not be assigned to genera. This fauna is more abundant and diverse than all other Famennian echinoderm faunas in the world combined, and it is critical in understanding echinoderm biogeography and evolution in the aftermath of the Late Devonian extinction event(s) prior to the Carboniferous echinoderm diversification. This echinoderm fauna is “Carboniferous” in affinity and indicates that echinoderm diversification and reradiation were well underway before the close of the Famennian.

The occurrence of Psittacosaurus xinjiangensis Sereno and Chow, 1988 in the Urho area, Junggar Basin, Xinjiang, People's Republic of China

2001 ◽  
Vol 38 (12) ◽  
pp. 1781-1786 ◽  
Author(s):  
Donald B Brinkman ◽  
David A Eberth ◽  
M J Ryan ◽  
Pei-ji Chen
Keyword(s):  
Junggar Basin ◽  
Geographical Range ◽  
People’S Republic Of China ◽  
Diagnostic Feature ◽  
Species Variation ◽  
People's Republic Of China ◽  
Republic Of China ◽  
Adult Morphology ◽  
Dentary Tooth

A partial specimen of Psittacosaurus xinjiangensis from the Urho locality in the Western Junggar basin, China, extends the known geographical range of P. xinjiangensis and documents the adult morphology in this species. Variation in the number of denticles on the dentary tooth crowns is documented, possibly representing a decrease in the number of denticles during growth, although a high denticle count remains a diagnostic feature of the species.

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