Bed 26 of Laoyefen Fm, Lali, S. China, Frasnian (Devonian of China)
Where: Guangxi, China (24.5° N, 108.3° E: paleocoordinates 0.1° S, 113.9° E)
When: punctata zone, Laoyefen Formation, Middle Frasnian (382.4 - 379.5 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.
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 13018: authorized by Arnold Miller, entered by Jocelyn Sessa on 16.01.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| unclassified | |
| Conodonta | |
"Ligonodina sp." = Oulodus
"Ligonodina sp." = Oulodus Branson and Mehl 1933 conodont | |
|
Lonchodina sp. conodont
Bryantodus sp. conodont | |
|
Icriodus expansa conodont
Icriodus symmetricus Branson and Mehl 1934 conodont | |
Ancyrodella lobata, Ancyrodella promosica, Polygnathus aspelundi, Polygnathus aequalis, Polygnathus procerus, Polygnathus ancyrognathoides, Polygnathus elegantulus, Polygnathus webbi, Polygnathus normalis, "Polygnathus decorosus" = Polygnathus decorosa
Ancyrodella lobata conodont
Ancyrodella promosica conodont
Polygnathus aspelundi conodont
Polygnathus aequalis conodont
Polygnathus procerus conodont
Polygnathus ancyrognathoides conodont
Polygnathus elegantulus conodont
Polygnathus webbi Stauffer 1938 conodont
Polygnathus normalis Miller and Youngquist 1947 conodont
"Polygnathus decorosus" = Polygnathus decorosa Stauffer 1938 conodont | |
|
Palmatolepis punctata conodont | |