Huangzhishan section, Bed 31 (new), Huzhou city (Triassic of China)

Where: Zhejiang, China (30.9° N, 120.0° E: paleocoordinates 18.2° N, 101.8° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Yinkeng Formation, Griesbachian (251.9 - 250.5 Ma)

• Claraia wangi-Ophiceras spp. association

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified mudstone

Size class: macrofossils

Primary reference: Z. Q. Chen, J. Tong, K. Zhang, H. Yang, Z. Liao, H. Song, and J. Chen. 2009. Environmental and biotic turnover across the Permian-Triassic boundary on a shallow carbonate platform in western Zhejiang, South China. Australian Journal of Earth Sciences 56(6):775-797 [M. Clapham/M. Clapham]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 105222: authorized by Matthew Clapham, entered by Matthew Clapham on 17.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

• Table gives range-through data - only those taxa confidently placed in a bed (either first or last appearance, or figured in an illustration) are listed. In many beds the figured specimens do not match with the range chart.
Lingulata
 Lingulida - Lingulidae
Rhynchonellata
 Spiriferida - Ambocoeliidae
Bivalvia
 Pectinida - Claraiidae
Claraia wangi Patte 1935 scallop
 Ostreida - Posidoniidae
Posidonia sp. Bronn 1828 oyster
Cephalopoda
 Ceratitida - Ophiceratidae
Ophiceras spp. Griesbach 1880 ceratite
Lytophiceras sp. Spath 1930 ceratite