Majiashan, unit 15 (Permian of China)

Where: Anhui, China (31.6° N, 117.8° E: paleocoordinates 16.5° N, 100.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• Unit 15, Pseudotirolites-Rotodiscoceras zone

• group of beds-level stratigraphic resolution

Environment/lithology: deep-water; lithified, cherty/siliceous 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 136870: authorized by Matthew Clapham, entered by Matthew Clapham on 05.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Productida - Productellidae
"Paryphella sinuata" = Cathaysia sinuata
"Paryphella sinuata" = Cathaysia sinuata Zhan 1979
 Productida - Rugosochonetidae
Chaohochonetes sp. He and Shi 2014
Chaohochonetes triangusinuata n. sp. He and Shi 2014
 Spiriferida - Ambocoeliidae
Crurithyris sp. George 1931
Crurithyris tazawai He and Shi 2012
 Rhynchonellida - Pontisiidae