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| 1 | A New Basal Titanosaur (Dinosauria: Sauropoda) from the Early Cretaceous of China显示文摘A new dinosaur of Early Cretaceous age was recently discovered from the Mazongshan area of northwesternGansu Province, China. The new dinosaur represents a new genus and species of Sauropoda, and is among the most basalmembers of Titanosauria. Its finding also suggests that titanosaurs might have originated in Asia no later than the EarlyCretaceous. | YOUHailu TANGFeng LUOZhexi | 2003 | Acta Geologica Sinica(English Edition)2003，77，4： | 17 |
| 2 | A Titanosaurian Sauropod Dinosaur with Opisthocoelous Caudal Vertebrae from the Early Late Cretaceous of Liaoning Province, China显示文摘We describe a new titanosaurian sauropod dinosaur, Borealosaurus wimani gen. et sp. nov., based on a distinctive mid-distal caudal vertebra from the early Late Cretaceous Sunjiawan Formation exposed in the Shuangmiao village of Beipiao in Liaoning, China. We provisionally refer an isolated tooth crown, a middle caudal vertebra, and a right humerus from the same locality and horizon to this taxon. Borealosaurus is distinguished from other sauropods in its possession of opisthocoelous mid-distal caudal vertebrae. The occurrence of opisthocoelous caudals in Borealosaurus and the Mongolian sauropod Opisthocoelicaudia raises the possibility that these taxa pertain to an as-yet unrecognized titanosaurian subclade endemic to the Cretaceous Asia. | YOUHailu JIQiang MatthewC.LAMANNA LIJinglu LIYinxian | 2004 | Acta Geologica Sinica(English Edition)2004，78，4： | 12 |
| 3 | A New Protoceratopsid (Dinosauria: Neoceratopsia) from the Late Cretaceous of Inner Mongolia, China显示文摘An almost complete skull, which was collected from the Upper Cretaceous of the Bayan Mandahu area inInner Mongolia, China by the Sino-Canadian Dinosaur Project, is described and assigned to a new genus ofprotoceratopsid dinosaur, Magnirostris dodsoni gen. et sp. nov. This new taxon is distinguished from otherprotoceratopsids by the robust rostral bone and the existence of incipient orbital horn cores. The existence of an additionalantorbital fenestra indicates a close relationship between Magnirostris and Bagaceratops. | YOUHailu DONGZhiming | 2003 | Acta Geologica Sinica(English Edition)2003，77，3： | 7 |
| 4 | A New Hadrosauroid Dinosaur from the Mid-Cretaceous of Liaoning, China显示文摘A new hadrosauroid dinosaur,Shuangmiaosaurus gilmorei gen.et sp.nov,is descuibed based on a complete left maxilla with articulated premaxilla and lacrimal fragments,and a complete left dentary from the mid-Cretaceous Sunjiawan Formation of Beipiao.Liaoning,northeastern China.Chadistic analysis shows that Shuangmiaosaurus is a basal hadrosauroid,and comprises the sister taxon to Hadrosauridae.In both Shuangmiaosqurus and Hadrosaurids.However,Shuangmiaosaurus does not possess such hadrosaurid synapomorphies as the diamond-shaped maxillary crowns with reduced primary ridges and reduced marginal denticles. | YOUHailu ЛQiang LIJinalu LIYinxian | 2003 | Acta Geologica Sinica(English Edition)2003，77，2： | 7 |
| 5 | An Adult Specimen of Hongshanosaurus houi (Dinosauria:Psittacosauridae) from the Lower Cretaceous of Western Liaoning Province, China显示文摘A new specimen consisting of a complete skull and lower jaw was discovered from the Lujiatun bed of the Lower Cretaceous Yixian Formation in the Lujiatun site, Beipiao, western Liaoning Province. It represents an adult specimen of Hongshanosaurus houi. Comparative studies show that Hongshanosaurus is distinguishable from its sister taxon Psittacosaurus by having the preorbital portion about half of the basal skull length, and the elliptical external naris, orbit, and a lower temporal fenestra oriented caudodorsally. | YOUHailu XUXing | 2005 | Acta Geologica Sinica(English Edition)2005，79，2： | 6 |
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