IVPP 9208-21 quarry, Mazongshan: Early/Lower Albian - Middle Albian, China
collected 1992

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Avetheropoda - Dromaeosauridae
Dromaeosauridae indet. Colbert and Russell 1969
1 individual
Reptilia - Avetheropoda - Troodontidae
Sinornithoides sp. Russell and Dong 1994
1 individual
Reptilia
Psittacosaurus mazongshanensis n. sp. Xu 1997
Xu 1997 1 individual
nomen dubium belonging to Psittacosaurus
Archaeoceratops oshimai n. gen., n. sp. Dong and Azuma 1997
Dong and Azuma 1997 2 individuals
(1 measurement)
Probactrosaurus mazongshanensis n. sp. Lü 1997
Lü 1997 19 specimens
recombined as Gongpoquansaurus mazongshanensis
IVPP V.11333 (field no. 9208-21), 11334-1 to 18.
Siluosaurus zhangqiani n. gen., n. sp. Dong 1997
Dong 1997 2 specimens
nomen dubium belonging to Ornithopoda
Mesosuchia indet. Huxley 1875
Dong 1997 3 specimens
invalid subgroup of Mesoeucrocodylia
see common names

Geography
Country:China State/province:Gansu County:Subei
Coordinates: 41.6° North, 97.6° East (view map)
Paleocoordinates:42.0° North, 93.0° East
Basis of coordinate:estimated from map
Altitude:1400 meters
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Stage:Albian 10 m.y. bin:Cretaceous 4
Key time interval:Early/Lower Albian - Middle Albian
Age range of interval:112.03000 - 105.30000 m.y. ago
Stratigraphy
Geological group:Xinminbao Formation:Zhonggou Member:Upper Gray Beds
Stratigraphic resolution:group of beds
Stratigraphy comments: unnamed lower part of group; = Xinminpu Group. "middle gray unit" of formation.
Lithology and environment
Primary lithology:fine,gray,red sandstone
Includes fossils?Y
Lithology description: "red-gray fine-grained sediments"
Environment:fluvial-lacustrine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Spatial orientation:random
Preservation of anatomical detail:variable
Articulated whole bodies:some
Associated major elements:some
Disassociated major elements:some
Disassociated minor elements:some
Fragmentation:frequent
Encrustation:none
Temporal resolution:time-averaged
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:selective quarrying,surface (float),surface (in situ),mechanical,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:IVPP
Collection dates:1992
Collection method comments: Collected by the Sino-Japanese Silk Road Dinosaur Expedition.
Metadata
Database number:45166
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2004-10-08 12:22:56 Last modified:2019-09-16 12:44:07
Access level:the public Released:2004-10-08 12:22:56
Creative Commons license:CC BY
Reference information

Primary reference:

11755.ETE Z. Dong. 1997. On small theropods from Mazongshan area, Gansu Province, China. In Z. Dong (ed.), Sino-Japanese Silk Road Dinosaur Expedition. China Ocean Press, Beijing 13-18 [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

11757ETE Z. Dong. 1997. A small ornithopod from Mazongshan area, Gansu Province, China. In Z. Dong (ed.), Sino-Japanese Silk Road Dinosaur Expedition. China Ocean Press, Beijing 24-26 [M. Carrano/M. Carrano/M. Carrano]
11761 Z. Dong. 1997. On the crocodiles from the Mazongshan area, Gansu Province, China. In Z. Dong (ed.), Sino-Japanese Silk Road Dinosaur Expedition. China Ocean Press, Beijing 11-12 [M. Carrano/M. Carrano/M. Carrano]
9501 Z. Dong and Y. Azuma. 1997. On a primitive neoceratopsian from the Early Cretaceous of China. In Z. Dong (ed.), Sino-Japanese Silk Road Dinosaur Expedition. China Ocean Press, Beijing 68-89 [M. Carrano/M. Carrano/M. Carrano]
11758ETE J. Lü. 1997. A new Iguanodontidae (Probactrosaurus mazongshanensis sp. nov.) from Mazongshan area, Gansu Province, China. In Z. Dong (ed.), Sino-Japanese Silk Road Dinosaur Expedition. China Ocean Press, Beijing 27-47 [M. Carrano/M. Carrano/M. Carrano]
11827 F. Tang, Z.-X. Luo, Z. Zhou, H.-L. You, J. A. Georgi, Z.-L. Tang, and X.-L. Wang. 2001. Biostratigraphy and palaeoenvironment of the dinosaur-bearing sediments in Lower Cretaceous of Mazongshan area, Gansu Province, China. Cretaceous Research 22(1):115-129 [M. Carrano/M. Carrano/M. Carrano]
11759ETE X. Xu. 1997. A new psittacosaur (Psittacosaurus mazongshanensis sp. nov.) from Mazongshan area, Gansu Province, China. Sino-Japanese Silk Road Dinosaur Expedition, (Z. Dong (ed.), China Ocean Press, Beijing 48-67 [M. Carrano/M. Carrano/M. Carrano]
70223 H. You, E. M. Morschhauser, D. Li and P. Dodson. 2019. Introducing the Mazongshan Dinosaur Fauna. In H. You, P. Dodson, & E. M. Morschhauser (eds.), Auroraceratops rugosus (Ornithischia, Ceratopsia) from the Early Cretaceous of northwestern Gansu Province, China. Society of Vertebrate Paleontology Memoir 18. Journal of Vertebrate Paleontology 38(supplement):1-11 [M. Carrano/M. Carrano]
9500 H.-L. You and P. Dodson. 2003. Redescription of neoceratopsian dinosaur Archaeoceratops and early evolution of Neoceratopsia. Acta Palaeontologica Polonica 48(2):261-272 [M. Carrano/M. Carrano/M. Carrano]