Jueqian Bed 21, Fenghai, Yong'an County (Permian of China)

Where: Fujian, China (26.0° N, 117.2° E: paleocoordinates 12.2° N, 103.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• 3.8 m thick

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, brown mudstone

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 95482: authorized by Matthew Clapham, entered by Matthew Clapham on 16.04.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Spiriferida - Ambocoeliidae
"Crurithyris speciosa" = Speciothyris speciosa
"Crurithyris speciosa" = Speciothyris speciosa Wang 1955
Cephalopoda
 Ceratitida - Huananoceratidae
Huananoceras sp. Zhao and Liang 1974 ceratite
 Ceratitida - Pseudotirolitidae
Pseudotirolites sp. Sun 1933 ceratite
Pseudotirolites laibinensis Zhao et al. 1978 ceratite
 Ceratitida - Pleuronodoceratidae
? Longmenshanoceras sp. Zhao et al. 1978 ceratite
Bivalvia
 Pectinida - Hunanopectinidae
? Hunanopecten ovalis Wang 1993 scallop
 Mytilida - Mytilidae
Promytilus ensiformis Li and Ding 1982 mussel