Where: Iran (38.9° N, 45.5° E: paleocoordinates 9.0° S, 41.8° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Gnishik Formation, Wordian (266.9 - 264.3 Ma)
• 6.5 m thick
• group of beds-level stratigraphic resolution
Environment/lithology: lithified, gray, carbonaceous limestone
•thin shale partings.
Size classes: macrofossils, microfossils
Collected by D.L. Stepanov, F. Golshani, J. Stöcklin, B. Hamzepour in 1967
Primary reference: D. L. Stepanov, F. Golshani, and J. Stöcklin. 1969. Upper Permian and Permian-Triassic boundary in north Iran. Geological Survey of Iran Report 12:1-72 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 118131: authorized by Matthew Clapham, entered by Matthew Clapham on 06.10.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Bellerophontidae indet. M'Coy 1851 snail | |
Rhynchonellata | |
Phricodothyris asiatica Chao 1929 | |
Foraminifera | |
Ammodiscus sp. Reuss 1862
Glomospira sp. Rzehak 1895 | |
Pachyphloia ovata Lange 1925 | |
Globivalvulina sp. Schubert 1921 | |
Tubothalamea | |
Hemigordiopsis sp. Reichel 1945
Hemigordius sp. Schubert 1908 | |
Chlorophyceae | |
Pseudovermiporella sp. Elliot 1958 |