ammonites
Emei tracksite, Xingfu cliff, Chuanzhu (Cretaceous of China)

Also known as Xingfuya

Where: Sichuan, China (29.6° N, 103.4° E: paleocoordinates 25.1° N, 98.7° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Jiaguan Formation (Chiating Group), Late/Upper Cretaceous (99.6 - 65.5 Ma)

• age of formation has also been interpreted as Aptian-Albian based on ichnofossils!; also assigned to the Daergun Fm.

• bed-level stratigraphic resolution

Environment/lithology: eolian; red mudstone and sandstone

• "a succession of reddish mudstones alternating with well-sorted sandstone beds, which are in part of aeolian origin"

Size class: macrofossils

Preservation: mold/impression, trace

Collection methods: surface (in situ), peel or thin section,

Primary reference: M. Matsukawa, M. G. Lockley, and J. Li. 2006. Cretaceous terrestrial biotas of East Asia, with special reference to dinosaur-dominated ichnofaunas: towards a synthesis. Cretaceous Research 27(1):3-21 [M. Carrano/M. Carrano] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 60497: authorized by Matt Carrano, entered by Kaitlin Maguire on 16.05.2006