Menbu Fm (Bed 9), Lanongla section (Jurassic of China)

Where: China (28.1° N, 86.0° E: paleocoordinates 37.9° S, 44.3° E)

• outcrop-level geographic resolution

When: Menbu Formation, Kimmeridgian (157.3 - 152.1 Ma)

• STRATIGRAPHIC RELATIONS: From Menbu Fm (Callovian-E. Tithonian), which underlies the Tithonian Shuomo Fm. THICKNESS: From bed within middle of a 76.5 m thick exposure of Menbu Fm. AGE: Kimmeridgian. STRATIGRAPHIC POSITION: From upper part of formation above Oxfordian age bed 7 (PBDB# 64863) and below bed 10 (PBDB# 64865).

• bed-level stratigraphic resolution

Environment/lithology: deep-water; poorly lithified shale

• ENVIRONMENT: Offshore, deeper water, possibly continental slope.
• SPECIFIC LITHOLOGY: Shale. 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: L. Xiaochi 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 64864: 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.
Show authors, comments, and common names
Cephalopoda
 Ammonitida - Perisphinctidae
Metagravesia decipiens
 Ammonitida - Ataxioceratidae
? Katroliceras pottingerri
Bivalvia
 Pectinida - Buchiidae
Buchia spitiensis, Buchia curtusa, Buchia concentrica
Buchia concentrica White 1888 scallop
 Pterioida -
Praebuchia kirghisensis