Chaoyang City Yanornis type locality (Cretaceous of China)

Where: Liaoning, China (41.6° N, 120.5° E: paleocoordinates 44.9° N, 120.5° E)

• coordinate based on nearby landmark

When: Jiufotang Formation (Jehol Group), Aptian (125.0 - 113.0 Ma)

• "Early Cretaceous" (assigned to the Aptian based on age of other Jiufotang collections)

• bed-level stratigraphic resolution

Environment/lithology: lacustrine; lithified siliciclastic sediments

• The Jiufotang Formation mainly comprises lacustrine sandstones, shales, mudstones, and tuffs interbedded within the sediments (He et. al, 2004).

Size class: macrofossils

Preservation: adpression

Reposited in the IVPP

Primary reference: X. Zhou and F. Zhang. 2001. Two new ornithurine birds from the Early Cretaceous of western Liaoning, China. Chinese Science Bulletin 46(15):1258-1264 [M. Carrano/M. Carrano/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 85258: authorized by John Alroy, entered by John Alroy on 08.12.2008, edited by Graeme Lloyd

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Yanornithiformes - Yanornithidae
Yanornis martini n. gen. n. sp.
Yanornis martini n. gen. n. sp. Zhou and Zhang 2001 avialan
 Theropoda -
Microenantiornis vulgaris n. gen. n. sp.
Microenantiornis vulgaris n. gen. n. sp. Wei and Li 2017 avialan
PMOL-AB00171