Baoyuan tracksite (Cretaceous to of China)

Also known as Tian Ji, Xian Ji

Where: Guizhou, China (28.4° N, 105.7° E: paleocoordinates 27.9° N, 109.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Jiaguan Formation (Chiating Group), Barremian to Barremian (129.4 - 100.5 Ma)

• also described as the Wotoushan Fm.

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, microfossils

Preservation: mold/impression, trace

Collected by C.-f. Li, L. Xing in 1995, 2009–2010

Collection methods: bulk, surface (in situ), chemical,

Primary reference: L.-d. Xing, J. D. Harris, G. D. Gierlinski, W.-m. Wang, Z.-y. Wang and D.-q. Li. 2011. Middle Cretaceous non–avian theropod trackways from the southern margin of the Sichuan Basin, China. Acta Palaeontologica Sinica 50(4):470-480 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 182652: authorized by Matthew Carrano, entered by Matthew Carrano on 17.11.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Theropoda -
cf. Irenesauripus sp. Sternberg 1932 theropod
trackways BYA to BYG
Cupuliferoidaepollenites
  -
Cupuliferoidaepollenites sp. Potonié et al. 1950
Angiospermae
 Fagales - Myricaceae
Myricipites sp. Wodehouse
 Coniferales -
Pinopsida
 Pinales - Taxaceae
Abietineaepollenites sp. Delcourt and Sprumont 1955 yew
 Pinales - Pinaceae
Cedripites
  -
Cedripites sp. Woodhouse 1933
Marchantiopsida
  - Marchantiidae
Triporoletes sp. Mtchedlishvili 1960
Pteridopsida
  -
Leiotriletes sp. Potonie and Kremp 1954
Deltoidospora sp. Miner 1935
Polypodiopsida
 Polypodiales - Polypodiidae
Polypodiisporites sp. Potonié 1931
Quercoidites
  -
Quercoidites sp. Potonié 1960
"large type"