Yanbeihou K4, Zhijin (Permian of China)

Where: Guizhou, China (26.5° N, 105.6° E: paleocoordinates 5.6° N, 95.3° 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: marine; gray limestone

Size class: macrofossils

Primary reference: H. Wang, L. Shao, L. Hao, P. Zhang, I. J. Glasspool, J. R. Wheeley, P. B. Wignall, T. Yi, M. Zhang and J. Hilton. 2011. Sedimentology and sequence stratigraphy of the Lopingian (Late Permian) coal measures in southwestern China. International Journal of Coal Geology 85(1):168-183 [A. Dunhill/B. Allen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 197493: authorized by Alex Dunhill, entered by Bethany Allen on 14.11.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Bellerophontida - Bellerophontidae
Retispira sp. Knight 1945 snail
 Pleurotomarioidea - Pleurotomariidae
Pleurotomaria sp. Defrance 1826 snail
 Murchisoniina - Phymatopleuridae
Worthenia sp. de Koninck 1883 snail
Bivalvia
 Cardiida - Kalenteridae
Permophorus sp. Chavan 1954 clam
 Carditida - Astartidae
Astartella quadrata Liu 1976 clam
Rhynchonellata
 Orthida - Schizophoriidae
"Acosarina cf. dorsisulcata" = Acosarina minuta
"Acosarina cf. dorsisulcata" = Acosarina minuta Abich 1878
Strophomenata
 Strophomenida - Rugosochonetidae
Neochonetes sp. Muir-Wood 1962
"Chonetinella substrophomenoides" = Neochonetes (Huangichonetes) substrophomenoides Huang 1932
"Waagenites" barusiensis Davidson 1866
 Productida - Lyttoniidae
Leptodus sp. Kayser 1883