ammonites
Hailiutu tracksite, Wulatezhongqi (Jurassic of China)

Where: Nei Mongol, China (41.4° N, 108.6° E: paleocoordinates 50.5° N, 116.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Shiguai Group, Early/Lower Jurassic (201.6 - 175.6 Ma)

• near top of Shiguai Group

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; coarse-grained sandstone and conglomerate

• "intermountain basins with plentiful rain"
• "sandstone with conglomerates"; "The track bearing layer consists of an undulating exposure of coarse sandstone containing scour features indicating flow towards the southeast."

Size class: macrofossils

Collected in 2006

Collection methods: surface (in situ),

• discovered by Institute of Geo-environmental Inspection of Inner Mongolia

Primary reference: J. Li, Z. Bai, M. G. Lockley, B. Zhou, J. Liu and Y. Song. 2010. [Dinosaur tracks in Wulatezhongqi, Inner Mongolia]. Acta Geologica Sinica 84(5):723-742 [M. Carrano/M. Carrano/M. Carrano] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 107973: authorized by Matt Carrano, entered by Matt Carrano on 20.04.2011