Where: Sichuan, China (30.2° N, 105.3° E: paleocoordinates 29.1° N, 109.1° E)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Suining Formation, Late/Upper Aptian (122.5 - 113.0 Ma)
• near top of formation, just beneath contact with Penglaizheng
•
•Wang et al. (2019) provide detrital zircon U/Pb mean ages of 114.4±1.1 Ma
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; red mudstone
Size class: macrofossils
Collected in 1987
Collection methods: quarrying, mechanical,
Primary reference: X. He, S. Yang, K. Cai, K. Li, and Z. Liu. 1996. [A new species of sauropod, Mamenchisaurus anyuensis sp. nov.]. Papers on Geosciences Contributed to the 30th International Geological Congress 83-86 [M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 58977: authorized by Matthew Carrano, entered by Matthew Carrano on 02.03.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle | |
Yangchuanosaurus sp. Dong et al. 1978 allosauroid | |
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