Yutangjiao Section, bed 4, Nantong County (Permian of China)

Where: Chongqing, China (28.9° N, 106.9° E)

• Paleocoordinates: 12.2° S, 105.8° E (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Changxing Formation, Changhsingian (254.1 - 251.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Primary reference: Z. Y. Yang, H. F. Yin, S. B. Wu, F. Q. Yang, M. H. Ding and G. R. Xu. 1987. Permian-Triassic Boundary Stratigraphy and Fauna of South China 1-379 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 149280: authorized by Matthew Clapham, entered by Matthew Clapham on 31.07.2013

Creative Commons license: CC0 (CC0)

Taxonomic list

Rhynchonellata
 Spiriferida - Martiniidae
Martinia sp. M'Coy 1844
 Terebratulida - Dielasmatidae
Dielasma sp. Beede and Rogers 1900
Strophomenata
 Orthotetida - Schuchertellidae
Bivalvia
 Pectinida - Limidae
Palaeolima sp. Hind 1903 file clam
 Pectinida - Heteropectinidae
"Euchondria fasciculicostatus" = Etheripecten fasciculicostatus
"Euchondria fasciculicostatus" = Etheripecten fasciculicostatus Liu 1976 scallop
 Pectinida - Aviculopectinidae
? Hayasakapecten sp. Nakazawa and Newell 1968 scallop
Aviculopecten sp. M'Coy 1851 scallop