Shemshak, (61) IA-G 178, Elburz Mountains (Permian of Iran)

Where: Tehran, Iran (36.0° N, 51.5° E: paleocoordinates 10.3° S, 47.3° E)

• coordinate stated in text

• outcrop-level geographic resolution

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

• From the lowest part of the Ruteh Formation (Level 1).

• group of beds-level stratigraphic resolution

Environment/lithology: marine; limestone

Size class: macrofossils

Primary reference: N. Fantini Sestini. 1965. The geology of the upper Djadjerud and Lar valleys (North-Iran). II. Palaeontology: Bryozoans, brachiopods, and molluscs from Ruteh Limestone (Permian). Rivista Italiana di Paleontologie e Stratigrafia 71(1):13-108 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 43289: authorized by David Bottjer, entered by Matthew Clapham on 11.08.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Stauriida - Geyerophyllidae
Carinthiaphyllum cf. suessi2 Heritsch 1936 horn coral
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
Stenolaemata
 Cryptostomata - Septoporidae
 Cryptostomata - Acanthocladiidae
Polypora koninckiana Waagen and Pichl 1885
 Rhabdomesida - Rhomboporidae
Rhombopora polyporata Waagen and Wentzel 1888
Rhynchonellata
 Athyridida - Athyrididae
 Orthida - Schizophoriidae
Kotlaia bistriata1 Reed 1944
 Spiriferinida - Reticulariinidae
Reticulariina sp.1 Fredericks 1916
Strophomenata
 Productida - Linoproductidae
 Orthotetida - Schuchertellidae
Streptorhynchus sp., "Streptorhynchus semiplanum" = Schuchertella semiplana
"Streptorhynchus semiplanum" = Schuchertella semiplana Waagen 1884