Jiaozishan Section Bed 12 (AJ-24), Anshun County (Permian of China)

Where: Guizhou, China (26.3° N, 105.9° E: paleocoordinates 1.6° N, 96.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Wuchiapingian (259.9 - 254.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, gray, cherty/siliceous limestone

Size class: macrofossils

Preservation: mold/impression

Collection methods: All specimens are kept in the Nanjing Institute of Geology and Paleontology, Academia Sinica.

Primary reference: Z. Q. Yao, J. T. Xu, Z. G. Zheng, X. H. Zhao, and Z. G. Mou. 1980. Late Permian Stratigraphy and Fossils in Western Guizhou and Eastern Yunnan 1-277 [M. Clapham/M. Clapham]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 111999: authorized by Matthew Clapham, entered by Matthew Clapham on 02.07.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Productida - Productidae
Rhynchonellata
 Spiriferida - Elythidae
"Squamularia grandis" = Permophricodothyris grandis
"Squamularia grandis" = Permophricodothyris grandis Chao 1929
 Athyridida - Athyrididae
Araxathyris ? sinensis Shen et al. 2004
 Spiriferinida - Paraspiriferinidae
"Punctospirifer multiplicatus" = Paraspiriferina multiplicata
"Punctospirifer multiplicatus" = Paraspiriferina multiplicata Sowerby 1829
Stenolaemata
 Cryptostomata - Acanthocladiidae
 Cryptostomata - Fenestellidae
Fenestella sp. Lonsdale 1839
Bivalvia
 Pectinida - Limipectinidae
 Myalinida - Myalinidae
Cephalopoda
 Nautilida - Tainoceratidae
Tainoceras sp. Hyatt 1883