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)
• 23.5 m thick
• group of beds-level stratigraphic resolution
Environment/lithology: lithified, gray limestone
•part slightly marly, containing thin shale bed at base
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 118134: authorized by Matthew Clapham, entered by Matthew Clapham on 06.10.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
| Foraminifera | |
|
Ammodiscus sp. Reuss 1862 | |
| Stenolaemata | |
|
Stenolaemata indet. Borg 1926 | |
| Strophomenata | |
|
Chonostegoides armenicus Sarycheva 1965 | |
| Rhynchonellata | |
|
? Enteletes sp. Waldheim 1825 | |
|
? Phricodothyris cf. asiatica Chao 1929 | |
|
Septospirigerella cf. megridagica Grunt 1965 | |
| Cephalopoda | |
|
Nautiloidea indet. Agassiz 1847 nautiloid | |
| Gastropoda | |
|
Straparollus sp. de Montfort 1810 snail | |
|
Naticopsis cf. spectatus snail | |
| Deuteropoda | |
|
Ostracoda indet. Latreille 1802 ostracod | |
| Anthozoa | |
|
Anthozoa sp. Ehrenberg 1834 | |
|
Wentzelella sp. Grabau 1932 horn coral | |
|
Aulopora sp. Goldfuss 1829 tabulate coral | |