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Xinminbao - Zhonggou, China

Group	Xinminbao
Formation	Zhonggou
Member(s)	Lower Red Beds Upper Gray Beds Upper Red Beds
Age:	129 - 113 Ma Early/Lower Cretaceous
Interval	Barremian - Aptian
Lithology	sandstone
Number of Collections	2
Number of Occurrences	4

Recorded Sample Locations

Location	Region	Stratigraphic Name
IVPP 9208-21 quarry	Subei Co., Jiuquan, Gansu, China	Xinminbao - Zhonggou - Upper Gray Beds
IVPP 9208-30	Ejin Banner (Ejina Co.), Alxa League (Alashan Prefecture), Inner Mongolia, China	Xinminbao - Zhonggou
IVPP 9207-10	Subei Co., Jiuquan, Gansu, China	Xinminbao - Zhonggou - Lower Red Beds
IVPP 9207-20	Subei Co., Jiuquan, Gansu, China	Xinminbao - Zhonggou - Lower Red Beds
IVPP 9208-25	Subei Co., Jiuquan, Gansu, China	Xinminbao - Zhonggou
Equijubus type	Subei Co., Jiuquan, Gansu, China	Xinminbao - Zhonggou - Upper Gray Beds
Suzhousaurus type	Suzhou District, Jiuquan, Gansu, China	Xinminbao - Zhonggou - Lower Red Beds
White Ghost Castle	Yumen Co., Jiuquan, Gansu, China	Xinminbao - Zhonggou - Upper Red Beds

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Xinminbao - Xiagou - Upper	125 - 113 Ma Early/Lower Cretaceous	shale, mudstone	4
Xinminbao - Xiagou - Upper Gray Beds	125 - 113 Ma Early/Lower Cretaceous	siliciclastic	2
Xinminbao - Zhonggou - Lower Red Beds	112 - 109 Ma Early/Lower Cretaceous	sandstone, "shale"	4
Xinminbao - Zhonggou - Upper Gray Beds	112 - 105 Ma Early/Lower Cretaceous	sandstone, "siliciclastic"	10
Xinminbao - Zhonggou - Upper Red Beds	112 - 109 Ma Early/Lower Cretaceous	siliciclastic	1

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Poaceae family	5	Plantae : Tracheophyta : Liliopsida : Poales : Poaceae	112.03 - 105.3 Ma Early/Lower Cretaceous
Archaeoceratops oshimai species	7	Animalia : Chordata : Ornithischia : Archaeoceratops : *Archaeoceratops oshimai*	112.03 - 105.3 Ma Early/Lower Cretaceous
Auroraceratops rugosus species	7	Animalia : Chordata : Ornithischia : Auroraceratops : *Auroraceratops rugosus*	112.03 - 109 Ma Early/Lower Cretaceous
Equijubus normani species	7	Animalia : Chordata : Ornithischia : Equijubus : *Equijubus normani*	112.03 - 105.3 Ma Early/Lower Cretaceous
Gongpoquansaurus mazongshanensis species	7	Animalia : Chordata : Reptilia : Dinosauria : Gongpoquansaurus : *Gongpoquansaurus mazongshanensis*	112.03 - 105.3 Ma Early/Lower Cretaceous
Ornithopoda unranked clade	99	Animalia : Chordata : Ornithischia : Ornithopoda	112.03 - 105.3 Ma Early/Lower Cretaceous
Psittacosaurus sp. genus	6	Animalia : Chordata : Reptilia : Dinosauria : Psittacosauridae : *Psittacosaurus*	129.4 - 113 Ma Early/Lower Cretaceous
Mesoeucrocodylia unranked clade	99	Animalia : Chordata : Reptilia : Eosuchia : Mesoeucrocodylia	112.03 - 105.3 Ma Early/Lower Cretaceous
Dromaeosauridae family	5	Animalia : Chordata : Reptilia : Dinosauria : Dromaeosauridae	112.03 - 105.3 Ma Early/Lower Cretaceous
Nanshiungosaurus bohlini species	7	Animalia : Chordata : Reptilia : Dinosauria : Therizinosauridae : Nanshiungosaurus : *Nanshiungosaurus bohlini*	112.03 - 109 Ma Early/Lower Cretaceous
Suzhousaurus megatherioides species	7	Animalia : Chordata : Reptilia : Dinosauria : Therizinosauridae : Suzhousaurus : *Suzhousaurus megatherioides*	112.03 - 109 Ma Early/Lower Cretaceous
Sinornithoides sp. genus	6	Animalia : Chordata : Saurischia : Avetheropoda : Troodontidae : *Sinornithoides*	112.03 - 105.3 Ma Early/Lower Cretaceous
Gobititan shenzhouensis species	7	Animalia : Chordata : Saurischia : Euhelopodidae : Gobititan : *Gobititan shenzhouensis*	112.03 - 105.3 Ma Early/Lower Cretaceous
Mamenchisauridae family	5	Animalia : Chordata : Reptilia : Dinosauria : Mamenchisauridae	129.4 - 113 Ma Early/Lower Cretaceous
Nemegtosauridae family	5	Animalia : Chordata : Saurischia : Nemegtosauridae	112.03 - 109 Ma Early/Lower Cretaceous

References

Dong Z. (1997) On the crocodiles from the Mazongshan area, Gansu Province, China, Sino-Japanese Silk Road Dinosaur Expedition. China Ocean Press, Beijing, 11-12

Dong Z., Azuma Y. (1997) On a primitive neoceratopsian from the Early Cretaceous of China, Sino-Japanese Silk Road Dinosaur Expedition. China Ocean Press, Beijing, 68-89

Dong Z. (1997) On small theropods from Mazongshan area, Gansu Province, China, Sino-Japanese Silk Road Dinosaur Expedition. China Ocean Press, Beijing, 13-18

Xu X. (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

Dong Z. (1997) On the sauropods from the Mazongshan area, Gansu Province, China, Sino-Japanese Silk Road Dinosaur Expedition. China Ocean Press, Beijing, 19-23

Dong Z. (1997) A small ornithopod from Mazongshan area, Gansu Province, China, Sino-Japanese Silk Road Dinosaur Expedition. China Ocean Press, Beijing, 24-26

Lü J. (1997) A new Iguanodontidae (Probactrosaurus mazongshanensis sp. nov.) from Mazongshan area, Gansu Province, China, Sino-Japanese Silk Road Dinosaur Expedition. China Ocean Press, Beijing, 27-47

You H.-L., Luo Z.-X., et al (2003) The earliest-known duck-billed dinosaur from deposits of late Early Cretaceous age in northwest China and hadrosaur evolution, Cretaceous Research 24, 348-355

You H., Tang F., et al (2003) A new basal titanosaur (Dinosauria: Sauropoda) from the Early Cretaceous of China, Acta Geologica Sinica 77 4, 424-429

Li D., Peng C., et al (2007) A large therizinosauroid (Dinosauria: Theropoda) from the Early Cretaceous of northwestern China, Acta Geologica Sinica 81 4, 539-549

Li D.-q., You H.-l., et al (2008) A new specimen of Suzhousaurus megatherioides (Dinosauria: Therizinosauroidea) from the Early Cretaceous of northwestern China, Canadian Journal of Earth Sciences 45, 769-779 doi:10.1139/E08-21

Wu Y., You H.-L., et al (2018) Dinosaur-associated Poaceae epidermis and phytoliths from the Early Cretaceous of China, National Science Review 5, 721-727 doi:10.1093/nsr/nwx145

You H., Morschhauser E. M., et al (2019) Introducing the Mazongshan Dinosaur Fauna, 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 doi:10.1080/02724634.2017.1396995

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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