Where: South Korea (37.2° N, 128.8° E: paleocoordinates 4.7° N, 147.2° E)
• coordinate stated in text
• local area-level geographic resolution
When: Drepanura trilobite zone, Sesong Formation (Taebaek Group), Guzhangian (500.5 - 497.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: shallow subtidal; conglomeratic, calcareous shale
•...the fossiliferous lower part of the formation in the Jikdong section is characterized by alternations of shale, limestone-shale couplets, and limestone conglomerate facies.
Size class: mesofossils
Preservation: mold/impression, replaced with silica
Collection methods: bulk, hydrochloric, sieve,
Primary reference: T.-Y. Park, Z.-Z. Han, Z.-Q. Bai and D.K. Choi. 2008. Two middle Cambrian trilobite genera, Cyclolorenzella Kobayashi, 1960 and Jiulongshania gen. nov., from Korea and China. Alcheringa 32(3):247-269 [M. Nikolic/M. Nikolic]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 227379: authorized by Mark Nikolic, entered by Mark Nikolic on 08.10.2022
Creative Commons license: CC BY (attribution)
Taxonomic list
| Trilobita | |
|
Cyclolorenzella convexa Resser and Endo 1937 trilobite | |
|
Bergeronites sp. Sun 1937 trilobite
"Drepanura sp." = Neodrepanura Özdikmen 2006 trilobite
Blackwelderia sp. Walcott 1906 trilobite | |