Locality B67, 25 m below top, 30 km south of Erdaogou Station, Qiangtang Block (Triassic of China)

Where: Qinghai, China (34.3° N, 92.6° E: paleocoordinates 29.0° N, 71.7° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Batang Group, Norian (228.0 - 208.5 Ma)

• Batang Group; Norian, Upper Triassic; from a limestone bed 25 m below the top

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, shelly/skeletal wackestone

• Blue coloured biomicrites interpreted as carbonate platform facies, approaching shallow subtidal towards the top where large oncolitic structures are found. All four fossil horizons are near the top of the sequence.

Size class: macrofossils

Collection methods: Paleontological collections made on the 1985 Geotraverse.

Primary reference: A. B. Smith and J. Xu. 1988. Palaeontology of the 1985 Geotraverse, Lhasa to Golmud. Philosophical Transactions of the Royal Society of London A 327:53-105 [M. Aberhan/S. Nurnberg/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 68595: authorized by Martin Aberhan, entered by Sabine Nürnberg on 29.01.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Terebratulida - Aulacothyropsidae
 Rhynchonellida - Rhynchonellidae
Omolonella sp. Моissеiеv 1936
 Rhynchonellida - Cyclothyrididae
Yidunella magna Jin et al. 1979
 Athyridida - Koninckinidae
Amphiclina intermedia Bittner 1890