Amol section, Bed 1, lower Heraz Valley (Permian of Iran)

Where: Iran (36.3° N, 52.4° E: paleocoordinates 9.8° S, 47.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Ruteh Formation, Wordian (266.9 - 264.3 Ma)

• About 5 m thick

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, gray, green, silty, calcareous shale

• Shale, silty-marly, green-gray, containing some thin (5-10 cm) intercalations

•of marly limestone, about 5 m thick

Size class: macrofossils

Collected by D.L. Stepanov, F. Golshani, J. Stocklin

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 118352: authorized by Matthew Clapham, entered by Matthew Clapham on 13.10.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Bellerophontida - Bellerophontidae
Bellerophontidae indet.
Bellerophontidae indet. M'Coy 1851 snail
Stenolaemata
 Cystoporata - Fistuliporidae
Cyclotrypa cf. ogbinensis
 Cryptostomata - Septoporidae
Septopora sp.
Septopora sp.
Written "Streptopora" but assumed to mean Septopora
Strophomenata
 Productida - Aulostegidae
Edriosteges poyangensis
 Productida - Productellidae
Ogbinia dzhagrensis
Ogbinia dzhagrensis Sarycheva 1965
 Productida - Linoproductidae
? Anidanthus cf. implicatus, Linoproductus lineatus
 Productida -
"Spinomarginifera magniplicata" = Marginifera magniplicata, Spinomarginifera ciliata
"Spinomarginifera magniplicata" = Marginifera magniplicata Huang 1932
Spinomarginifera ciliata Arthaber 1900
Rhynchonellata
 Terebratulida - Notothyrididae
Notothyris cf. sarinensis
Anthozoa
 Stauriida - Plerophyllidae
? Plerophyllum sp.
? Plerophyllum sp. Hinde 1890 horn coral
 Favositida - Micheliniidae
? Michelinia sp., Michelinia cf. vesiculosa
? Michelinia sp. de Koninck 1841 tabulate coral
Michelinia cf. vesiculosa Tchudinova 1965 tabulate coral