Zhongzai Section, Bed 10, Liuzhi County (Permian of China)

Where: Guizhou, China (26.1° N, 105.3° E: paleocoordinates 5.1° N, 95.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified mudstone

Size class: macrofossils

Preservation: mold/impression

Primary reference: Y. Q. Gao, G. R. Shi, and Y. Q. Peng. 2009. A new bivalve fauna from the Permian-Triassic boundary section of southwestern China. Alcheringa 33:33-47 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 108551: authorized by Matthew Clapham, entered by Matthew Clapham on 01.05.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Nuculanida - Malletiidae
Palaeoneilo sp. Hall and Whitfield 1869 clam
Palaeoneilo guizhouensis Chen and Lan 1976 clam
 Cardiidia - Sanguinolitidae
Wilkingia sp. Wilson 1959 clam
 Actinodontida - Amnigeniidae
Taimyria sp. Lutkevich 1951 clam
 Carditida - Astartidae
Astartella sp. Hall 1858 clam
Astartella ambiensis Waagen 1881 clam
Astartella symmetrica Chen et al. 1974 clam
 Trigoniida - Schizodidae
Schizodus sp. King 1844 clam
Schizodus pinguis Waagen 1881 clam
Schizodus schlotheimi Geinitz 1841 clam
 Myalinida - Myalinidae
Septimyalina sp. Newell 1942 clam
 Pectinida - Streblochondriidae
Guizhoupecten sp. Chen 1962 scallop
Streblopteria sp. McCoy 1851 scallop
 Pectinida - Hunanopectinidae
Leptochondria virgalensis Wittenburg 1908 scallop
 Pectinida - Heteropectinidae
Etheripecten sp. Waterhouse 1963 scallop
 Pectinida - Limidae
Palaeolima sp. Hind 1903 file clam
 Pectinida - Entoliidae
Pernopecten sp. Winchell 1865 scallop
Pernopecten sichuanensis Chen et al. 1974 scallop
 Pectinida - Euchondriidae
Euchondria sp. Meek 1874 scallop
 Ostreida - Bakevelliidae
"Isognomon sinensis" = Permoperna trapezoidalis
"Isognomon sinensis" = Permoperna trapezoidalis Kayser 1883 oyster
 Ostreida - Malleidae
"Isognomon" sp. Lightfoot 1786 oyster