Yutangjiao Section, bed 7, 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 149277: authorized by Matthew Clapham, entered by Matthew Clapham on 31.07.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Productida - Aulostegidae
 Productida -
Marginifera sp. Waagen 1884
"Rugosomarginifera chengyaoyensis" = Spinomarginifera chengyaoyenensis Huang 1932
 Productida - Productellidae
 Productida - Echinoconchidae
"Waagenoconcha abichi" = Waagenoconcha (Gruntoconcha) abichi
"Waagenoconcha abichi" = Waagenoconcha (Gruntoconcha) abichi Waagen 1884
 Productida - Monticuliferidae
Haydenella sp. Reed 1944
 Orthotetida - Pulsiidae
 Strophomenida - Rugosochonetidae
"Tethyochonetes sp." = Fusichonetes
"Tethyochonetes sp." = Fusichonetes Liao 1981
Rhynchonellata
 Rhynchonellida - Wellerellidae
 Terebratulida - Dielasmatidae
Dielasma minor Waagen 1882
Dielasma acutangulum var. minor
Dielasma orientalis Grabau 1931
Dielasma elongatum var. orientalis
 Orthida - Enteletidae
"Enteletina sinensis" = Peltichia sinensis
"Enteletina sinensis" = Peltichia sinensis Huang 1933