Yutangjiao Section, bed 8, Nantong County (Permian of China)

Where: Chongqing, China (28.9° N, 106.9° E: paleocoordinates 8.2° N, 94.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Changxing Formation, Changhsingian (254.2 - 252.2 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 149276: authorized by Matthew Clapham, entered by Matthew Clapham on 31.07.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Aviculopectinidae
Aviculopecten sp. M'Coy 1851 scallop
Lingulata
 Lingulida - Lingulidae
Lingularia sp. Biernat and Emig 1993
Rhynchonellata
 Rhynchonellida - Wellerellidae
 Spiriferida - Martiniidae
Martinia sp. M'Coy 1844
 Orthida - Enteletidae
"Enteletina zigzag" = Peltichia zigzag
"Enteletina zigzag" = Peltichia zigzag Huang 1933
"Marginifera" zigzag but Enteletina (now Peltichia) zigzag is only taxon with that epithet
Strophomenata
 Strophomenida - Chonetidae
"Chonetes" sp. Fischer de Waldheim 1830
 Strophomenida - Rugosochonetidae
"Plicochonetes pigmaea" = Fusichonetes pygmaea
"Plicochonetes pigmaea" = Fusichonetes pygmaea Liao 1980
 Productida -
Marginifera sp. Waagen 1884
 Productida - Productellidae
 Productida - Echinoconchidae
"Waagenoconcha abichi" = Waagenoconcha (Gruntoconcha) abichi Waagen 1884
 Productida - Aulostegidae
 Orthotetida - Meekellidae
Orthothetina ruber Frech 1911