Also known as Jonzhou, Baitaigou

Where: Liaoning, China (41.1° N, 121.1° E: paleocoordinates 44.5° N, 121.3° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Dakangpu Member (Jiufotang Formation), Aptian (125.5 - 112.0 Ma)

• middle part of formation, originally assigned to Yixian Fm., comparable to Dawangzhangzi Bed. "middle part" of formaiton

•pterosaur specimen is preserved "in a single bedding plane"

•

•Chang et al. (2009) provide a Ar/Ar date of 122.1 Ma for the base of the Jiufutang. The age of the top of the formation is uncertain.

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine; tuffaceous shale

Size class: macrofossils

Preservation: adpression

Collected in 1999-2004; reposited in the IVPP

Collection methods: surface (in situ), mechanical,

• pterosaur was "collected in 1999 by a local farmer and then directly acquired by the NGMC"

Primary reference: X. Wang and X. Xu. 2001. A new iguanodontid (Jinzhousaurus yangi gen. et sp. nov.) from the Yixian Formaton of western Liaoning, China. Chinese Science Bulletin 46(19):1669-1672 [M. Carrano/M. Carrano] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 67611: authorized by Matt Carrano, entered by Matt Carrano on 27.11.2006, edited by Roger Benson

Creative Commons license: CC BY (attribution)