ammonites
Aolicun, Yandang Mountain (Cretaceous of China)

Also known as Zhejiangopterus holotype site

Where: Zhejiang, China (28.8° N, 121.6° E: paleocoordinates 31.4° N, 114.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Tangshang Formation, Early/Lower Campanian (83.5 - 70.6 Ma)

• Age of 81.5 Ma reported based upon potassium-argon dating

• formation-level stratigraphic resolution

Environment/lithology: lacustrine; calcareous tuff

Size class: macrofossils

Preservation: adpression, soft parts

Collected by C. Xu in 1986

Collection methods: salvage,

Primary reference: Z. Cai and F. Wei. 1994. Zhejiangopterus linhaiensis (Pterosauria) from the Upper Cretaceous of Linhai, Zhejiang, China. Vertebrata PalAsiatica 32(3):181-194 [R. Butler/R. Butler] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 92188: authorized by Richard Butler, entered by Richard Butler on 03.11.2009, edited by Matt Carrano