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)
• 31.5 m in total thick
• group of beds-level stratigraphic resolution
Environment/lithology: lithified, gray limestone
•dark shale intercalations
Size class: macrofossils
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 118137: authorized by Matthew Clapham, entered by Matthew Clapham on 06.10.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Bellerophontidae indet., "Bellerophon ex gr. khairlensis" = Pharkidonotus khairliensis
Bellerophontidae indet. M'Coy 1851 snail
"Bellerophon ex gr. khairlensis" = Pharkidonotus khairliensis Reed 1944 snail | |
? Euphemites sp. Warthin 1930 snail | |
Rhynchonellata | |
Septospirigerella cf. megridagica Grunt 1965 | |
Phricodothyris asiatica Chao 1929 | |
"Hemiptychina cf. sublaevis" = Fredericksolasma sublaevis
"Hemiptychina cf. sublaevis" = Fredericksolasma sublaevis Waagen 1882 | |
Strophomenata | |
Chonostegoides armenicus Sarycheva 1965 | |
"Spinomarginifera magniplicata" = Marginifera magniplicata
"Spinomarginifera magniplicata" = Marginifera magniplicata Huang 1932 | |
"Krotovia ? jisuensiformis" = Echinauriella jisuensiformis
"Krotovia ? jisuensiformis" = Echinauriella jisuensiformis Sarycheva 1965 |