Sihetun, Yixian bed 6 (29) (Cretaceous to of China)

Where: Liaoning, China (41.6° N, 120.9° E: paleocoordinates 44.3° N, 122.7° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Jianshangou Member (Yixian Formation), Late/Upper Barremian to Late/Upper Barremian (130.0 - 122.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine; siltstone and black, gray, silty mudstone

Size class: macrofossils

Preservation: soft parts

Collection methods: quarrying,

Primary reference: X. Wang, Y. Wang, Y. Wang, X. Xu, Z. Tang, F. Zhang, and Y. Hu. 1998. Stratigraphic sequence and vertebrate-bearing beds of the lower part of the Yixian Formation in Sihetun and neighboring area, western Liaoning, China. Vertebrata PalAsiatica 36(2):81-101 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 50470: authorized by Matthew Carrano, entered by Matthew Carrano on 16.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia -
Psittacosaurus sp. Osborn 1923 ceratopsian
Aves
 Confuciusornithiformes - Confuciusornithidae
Confuciusornis sp., "Confuciusornis sanctus" = Confuciusornis sanctus, "Confuciusornis suniae n. sp." = Confuciusornis sanctus
Confuciusornis sp. Hou et al. 1995 bird
"Confuciusornis sanctus" = Confuciusornis sanctus Hou et al. 1995 bird
"Confuciusornis suniae n. sp." = Confuciusornis sanctus Hou et al. 1995 bird
originally entered as "Confuciusornis sunae"
Reptilia
 Theropoda -
Sinosauropteryx prima Ji and Ji 1996 coelurosaur
 Saurischia -
Actinopteri
 Leptolepidiformes - Leptolepididae
Lycoptera sp. Müller 1847