Xishangou, Xikou, Bed 1, Yong'an County (Permian of China)

Where: Fujian, China (26.1° N, 117.2° E: paleocoordinates 12.4° N, 103.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Yanshi Formation, Changhsingian (254.2 - 252.2 Ma)

• 2 m thick

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, calcareous siltstone

Size class: macrofossils

Preservation: mold/impression

Primary reference: M. Q. Wang. 1990. Late Permian and early Early Triassic ammonoid fauna of Fenghai, Yong'an, Fujian and their stratigraphic significance. Acta Palaeontologica Sinica 29:755-773 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 120148: authorized by Matthew Clapham, entered by Matthew Clapham on 08.11.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Aviculopectinidae
Paradoxipecten sp. Zhang 1981 scallop
 Pectinida - Euchondriidae
Euchondria sp. Meek 1874 scallop
 Pectinida - Entoliidae
Pernopecten sp. Winchell 1865 scallop