Bed 34 of Xiangtian Fm, Lali, S. China, Frasnian (Devonian of China)

Where: Guangxi, China (24.5° N, 108.3° E: paleocoordinates 0.3° S, 111.9° E)

When: early rhenana zone, Xiangtian Formation, Late/Upper Frasnian (379.5 - 376.1 Ma)

• bed-level stratigraphic resolution

Environment/lithology: slope; gray lime mudstone

• "about 2.6m thick, grey to dark grey medium bedded micritic limestones"

Collection methods: Conodonts are listed as present in text, while Tentaculites are listed as rare.

Primary reference: Q. Ji and W. Ziegler. 1993. The Lali Section: An Excellent Reference Section for Upper Devonian in South China. Courier Forschungsinstitut Senckenberg 157:1-182 [A. Miller/J. Sessa]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 12967: authorized by Arnold Miller, entered by Jocelyn Sessa on 12.01.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Tentaculita
 Homoctenida - Homoctenidae
Homoctenus sp.
Homoctenus sp. Ljaschenko 1955
Conodonta
 Ozarkodinida - Polygnathidae
Ancyrognathus triangularis, Ancyrodella lobata, Ancyrodella nodosa, Polygnathus tenellus n. sp., Polygnathus procerus
Ancyrognathus triangularis Youngquist 1945 conodont
Ancyrodella nodosa Ulrich and Bassler 1926 conodont
Polygnathus tenellus n. sp. conodont
 Ozarkodinida - Palmatolepidae
Palmatolepis rhenana, Palmatolepis jamieae, Palmatolepis simpla, Palmatolepis foliacea, Palmatolepis proversa, Palmatolepis plana
Palmatolepis rhenana conodont
Palmatolepis rhenana nasuta