Matan M46, Heshan (Permian of China)

Where: Guangxi, China (23.8° N, 108.9° E: paleocoordinates 5.3° N, 99.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Upper Member (Heshan Formation), Changhsingian (254.2 - 252.2 Ma)

• Lower Changhsingian

• group of beds-level stratigraphic resolution

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

• Dark-grey, medium-bedded siliceous striped limestone and chert nodules and bioclastic limestones intercalated with three coal layers

Size class: macrofossils

Preservation: replaced with silica

Primary reference: H. -Z. Pan and D. H. Erwin. 2002. Gastropods from the Permian of Guangxi and Yunnan Provinces, South China. Journal of Paleontology Memoir 56:1-49 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 116125: authorized by Matthew Clapham, entered by Matthew Clapham on 05.09.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Cycloneritida - Trachyspiridae
Trachyspira obliquinodula, Trachyspira heshanensis
Trachyspira heshanensis Pan and Erwin 2002 snail
 Neritoidea - Naticopsidae
Naticopsis (Jedria) quangxiensis, Naticopsis (Naticopsis) heshanensis n. sp.
Naticopsis (Jedria) quangxiensis Pan and Erwin 2002 snail
Naticopsis (Naticopsis) heshanensis n. sp. Pan and Erwin 2002 snail