Duanshan, sample 1 (Permian of China)

Where: Guizhou, China (25.8° N, 106.6° E: paleocoordinates 5.6° N, 96.4° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• Middle part of unit 1

• group of beds-level stratigraphic resolution

Environment/lithology: deep-water; lithified, cherty/siliceous lime mudstone

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: Laboratory of Geobiology, Faculty of Earth Sciences, China University of Geosciences, Wuhan

Primary reference: W. H. He, G. R. Shi, and Y. Zhang, T. L., F. Teng and S. B. Wu. 2012. Systematics and palaeoecology of Changhsingian (Late Permian) Ambocoeliidae brachiopods from South China and implications for the end-Permian mass extinction. Alcheringa 36:515-530 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 136834: authorized by Matthew Clapham, entered by Matthew Clapham on 05.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Productida - Monticuliferidae
 Productida - Linoproductidae
"Anidanthus mucronata" = Anidanthus parvimucronata
"Anidanthus mucronata" = Anidanthus parvimucronata He and Shen 2019
 Productida - Rugosochonetidae
"Tethyochonetes soochowensis" = Fusichonetes soochowensis
"Tethyochonetes soochowensis" = Fusichonetes soochowensis Chao 1928
 Athyridida - Athyrididae
 Spiriferida - Martiniidae
? Martinia sp. M'Coy 1844
 Spiriferida - Ambocoeliidae
 Orthida - Schizophoriidae
Acosarina minuta Abich 1878