Where: Gansu, China (41.6° N, 97.6° E: paleocoordinates 41.8° N, 93.9° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Upper Gray Beds Member (Zhonggou Formation), Early/Lower Albian (112.0 - 109.0 Ma)
• = Xinminpu Group. "Middle Grey Unit." Previously assigned to Digou Fm.
•Zhang et al. 2015: The palynomorph assemblages contain a large number of biostratigraphically significant palynomorphs, such as numerically abundant tricolpate and rare polyaperturate angiosperm pollen grains, which indicate an Early Albian age for the Zhonggou Formation
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; gray siliciclastic sediments
Size classes: macrofossils, microfossils
Collected by Chinese Academy in 1986; reposited in the IVPP
Collection methods: quarrying, mechanical,
Primary reference: 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]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 45413: authorized by Matthew Carrano, entered by Matthew Carrano on 21.10.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Angiospermae | |
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Reptilia | |
Equijubus normani n. gen. n. sp.2
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