Dawa bonebed (Jurassic of China)

Where: Yunnan, China (25.2° N, 102.1° E: paleocoordinates 33.8° N, 105.8° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Zhangjia'ao Member (Lufeng Formation), Sinemurian (199.3 - 190.8 Ma)

• 3-5 m below top of formation

• bed-level stratigraphic resolution

Environment/lithology: "floodplain"; massive, bioturbated, nodular, calcareous siltstone

• "a heavily bioturbated, massive siltstone"

Size class: mesofossils

Preservation: soft parts

Collection methods: surface (in situ),

Primary reference: R. R. Reisz, T. D. Huang, E. M. Roberts, S. Peng, C. Sullivan, K. Stein, A. R. H. LeBlanc, D. Shieh, R. Chang, C. Chiang, C. Yang and S. Zhong. 2013. Embryology of Early Jurassic dinosaur from China with evidence of preserved organic remains. Nature 496:210-214 [M. Carrano/M. Carrano]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 206023: authorized by Matthew Carrano, entered by Matthew Carrano on 28.10.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia - Massospondylidae
? Lufengosaurus sp. Young 1940 sauropodomorph
C2019 embryonic skeletons and eggshells