Hanwang ACG, Mianzhu County (Triassic of China)

Where: Sichuan, China (31.5° N, 104.2° E: paleocoordinates 35.6° N, 93.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Kuahongdong Formation, Lacian (221.5 - 215.6 Ma)

• Formation typically considered Norian but contains Norian (Pinacoceras, Dionites) and Carnian (Trachyceras, Discotropites, Hauerites) ammonoids; at present generally placed in Lower Norian.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Reposited in the NIGPAS

Primary reference: H. Z. Pan. 1982. Triassic marine fossil gastropods from SW China. Bulletin of the Nanjing Institute of Geology and Palaeontology, Academia Sinica 4:153-188 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 137827: authorized by Matthew Clapham, entered by Matthew Clapham on 21.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Trochoidea - Trochidae
Eocalliostoma sp. Haas 1953 top snail