Lanongla Fm, Nyalam section (Jurassic of China)

Where: China (28.0° N, 86.0° E: paleocoordinates 34.5° S, 44.1° E)

• outcrop-level geographic resolution

When: Lanongla Formation, Bathonian (168.3 - 166.1 Ma)

• STRATIGRAPHIC RELATIONS: From Lanongla Fm, which underlies the Callovian-Kimmeridgian Menbu Fm. THICKNESS: From group of beds within 741 m thick exposure of Lanongla Fm. AGE: Bathonian. STRATIGRAPHIC POSITION: From upper part of Lanongla Fm, several hundred m below PBDB# 64879 at base of measured section.

• formation-level stratigraphic resolution

Environment/lithology: deep-water; poorly lithified limestone

• ENVIRONMENT: Offshore, deeper water, possibly continental slope.
• SPECIFIC LITHOLOGY: Limestone. 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 64880: 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
Bivalvia
 Nuculanida - Malletiidae
Palaeoneilo sp.
Palaeoneilo sp. Hall and Whitfield 1869 clam
 Mytilida - Mytilidae
Mytilus sp.
Mytilus sp. Linnaeus 1758 mussel
 Ostreida - Pinnidae
Pinna sp.
Pinna sp. Linnaeus 1758 oyster
 Ostreida - Posidoniidae
"Posidonia ornati" = Bositra buchi
"Posidonia ornati" = Bositra buchi Roemer 1836 oyster
 Arcida - Parallelodontidae
Grammatodon (Indogrammatodon) virgatus