Where: GanSu, China (37.0° N, 95.0° E: paleocoordinates 31.8° S, 130.0° E)
• local area-level geographic resolution
When: Xiayan Formation, Llandeilo (461.1 - 458.4 Ma)
• formation-level stratigraphic resolution
Environment/lithology: marine; lithified, gray, green sandstone and shale
Primary reference: Stratigraphic Group of Quing Hai Province. 1980. Regional stratigraphic tables of the north western China region: Volume of NinXia Province. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 8578: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 04.08.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
| Pterobranchia | |
|
Dicranograptus sp. Hall 1865 graptolite | |
| Rhynchonellata | |
|
Catazyga sp. Hall and Clarke 1893 | |
| Strophomenata | |
|
Sowerbyella sp. Jones 1928 | |
| Cephalopoda | |
|
Discoceras sp. Barrande 1867 | |
| Gastropoda | |
|
Tropidodiscus sp. Meek and Worthen 1866 snail | |
| Trilobita | |
|
Illaenus sp. Dalman 1827 trilobite | |
|
Placoparina sp. Whittard 1940 trilobite | |
|
Telephina sp. Marek 1952 trilobite | |
|
Ampyx sp. Dalman 1827 trilobite
Lonchodomas sp. Angelin 1854 trilobite | |
|
Cyclopyge sp. Hawle and Corda 1847 trilobite | |
|
Vogdesia sp. Raymond 1910 trilobite
Birmanites sp. Sheng 1934 trilobite
"Basiliella sp." = Basilicus (Basiliella) Kobayashi 1934 trilobite | |
|
Remopleurides sp. Portlock 1843 trilobite | |