Where: China (28.1° N, 86.0° E: paleocoordinates 40.2° S, 45.0° E)

• local area-level geographic resolution

When: Shuomo Formation, Tithonian (152.1 - 145.0 Ma)

• STRATIGRAPHIC RELATIONS: From upper Shuomo Fm, which underlies the Tithonian Guchuochun Fm. THICKNESS: From bed within >500 m thick exposure of Shuomo Fm. AGE: Tithonian. STRATIGRAPHIC POSITION: From uppermost part of formation, immediately below contact with Guchuochun Fm and PBDB# 64826, and above PBDB# 64828.

• bed-level stratigraphic resolution

Environment/lithology: deep-water; poorly lithified, concretionary siltstone

Size class: macrofossils

Collection methods: COLLECTOR: Collected during 1980-1981; reported by Gou and Li, 1983. REPOSITORY: Beijing Graduate School, Wuhan College of Geology, China.

Primary reference: X. Li and J. A. Grant-Mackie. 1988. Upper Jurassic and Lower Cretaceous Buchia (Bivalvia) from southern Tibet, and some wider considerations. Alcheringa 12:249-268 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 64827: authorized by Austin Hendy, entered by Austin Hendy on 17.09.2006

Creative Commons license: CC BY (attribution)