Menbu Fm, Nyalam section (Jurassic to of China)

Where: China (28.0° N, 86.0° E: paleocoordinates 36.3° S, 43.8° E)

• outcrop-level geographic resolution

When: Menbu Formation, Callovian to Callovian (166.1 - 152.1 Ma)

• STRATIGRAPHIC RELATIONS: From Menbu Fm, which underlies the Tithonian Shuomo Fm. THICKNESS: From bed within 510 m thick exposure of Menbu Fm. AGE: Callovian-Kimmeridgian. STRATIGRAPHIC POSITION: From middle part of Menbu Fm, several hundred m below PBDB# 64877 and several hundred m above PBDB# 64880.

• bed-level stratigraphic resolution

Environment/lithology: deep-water; poorly lithified, shelly/skeletal, sandy limestone

• ENVIRONMENT: Offshore, deeper water, possibly continental slope.
• SPECIFIC LITHOLOGY: Limestone, sandy and shelly. LITHIFICATION: Poorly lithified based on figured specimens.

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 64879: authorized by Austin Hendy, entered by Austin Hendy on 17.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Probably not exhaustive, including Buchia and biostratigraphically significant taxa. NOMENCLATURE: Appears to use modern nomenclature, with species-level designations.
Bivalvia
 Pectinida - Buchiidae
Buchia concentrica White 1888 scallop