Jiaozishan Section Bed 26 (AJ-44), Anshun County (Permian of China)

Where: Guizhou, China (26.3° N, 105.9° E: paleocoordinates 5.6° N, 95.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Changhsingian (254.2 - 252.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified, black, gray, cherty/siliceous mudstone

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 111989: authorized by Matthew Clapham, entered by Matthew Clapham on 02.07.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

 Fusulinoidea - Ozawainellidae
Reichelina media Miklukho-Maclay 1954
 Productida - Productellidae
"Cathaysia sulcatifera n. sp." = Paryphella sinuata, "Cathaysia orbicularis n. sp." = Paryphella orbicularis
"Cathaysia sulcatifera n. sp." = Paryphella sinuata Zhan 1979
"Cathaysia orbicularis n. sp." = Paryphella orbicularis Liao 1980
 Pectinida - Euchondriidae
Euchondria anshunensis Xu 1980 scallop
 Pectinida -
Anshunopecten spinosus Xu and Chang 1980 scallop
 Bellerophontida - Bellerophontidae
"Extendilabrum alticarinatum" = Patellilabia alticarinata
"Extendilabrum alticarinatum" = Patellilabia alticarinata Wang 1980 snail
 Ceratitida - Pseudotirolitidae
Pseudotirolites laibinensis Zhao et al. 1978 ceratite
Pseudotirolites asiaticus Jaekel 1929 ceratite
 Ceratitida - Huananoceratidae
"Huananoceras perornatum" = Huananoceras pseudoopalinum
"Huananoceras perornatum" = Huananoceras pseudoopalinum Frech 1895 ceratite
 Ceratitida - Pleuronodoceratidae
Pleuronodoceras anshunense n. sp. Zheng 1981 ceratite
? Rotodiscoceras sp. Zhao and Liang 1966 ceratite
 Goniatitida - Pseudohaloritidae
Qinglongites costatus Zheng 1981 ammonite
 Goniatitida - Paragastrioceratidae
Pseudogastrioceras sp. Spath 1936 ammonite
"Tubiphytes obscurus" = Shamovella obscura
"Tubiphytes obscurus" = Shamovella obscura Maslov 1956