ammonites
Near Hejiaxin village (Cretaceous of China)

Also known as Yizhoubatrachus (frog) type locality

Where: Liaoning, China (41.6° N, 121.1° E: paleocoordinates 44.1° N, 123.2° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Yixian Formation, Barremian (130.0 - 125.5 Ma)

• formation-level stratigraphic resolution

Environment/lithology: lacustrine; shale

• Volcanic shales

Size class: macrofossils

Reposited in the IVPP

• Also Zhejiang Museum of Natural History collection

Primary reference: S. E. Evans and Y. Wang. 2005. The Early Cretaceous lizard Dalinghosaurus from China. Acta Palaeontologica Polonica 50(4):725-742 [R. Benson/R. Benson] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 117415: authorized by Roger Benson, entered by Roger Benson on 19.09.2011