Eastern Elburz Mountains (Jurassic of Iran)

Also known as PGAP 328

Where: Iran (36.9° N, 55.4° E: paleocoordinates 15.0° S, 47.3° E)

• coordinate estimated from map

When: Shemshak Group, Middle Jurassic (174.7 - 161.5 Ma)

• Age estimated as Aalenian by authors; now upper or middle part of Shemshak Group

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: P. Corsin and G. Stampfli. 1977. La Formation de Shemshak dans L'Elburz Oriental (Iran) Flore-Stratigraphie-Paleogeographie. GĂ©obios 10(4):509-571 [A. Rees/A. Rees/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 30183: authorized by Allister Rees, entered by Allister Rees on 02.04.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

• Genus-level assignments and numbers of species are from the PGAP database. Species names are in the process of being entered.
Polypodiopsida
  - Osmundaceae
Todites "sp. 1" Seward 1900
  -
Cladophlebis "sp. 1" Brongniart 1849
 Gleicheniales - Polypodiidae
Phlebopteris "sp. 1" Brongniart 1836
Thaumatopteris "sp. 1" Goeppert 1841
Dictyophyllum "sp. 1" Lindley and Hutton 1834
 Cyatheales - Polypodiidae
Coniopteris "sp. 1" Brongniart 1849 scaly tree fern
 Polypodiales - Polypodiidae
Ctenis "sp. 1" Lindley and Hutton 1834
 Equisetales - Equisetidae
Equisetites "sp. 1" Sternberg 1833
Sphenopteridae
  - Sphenopteridae
Sphenopteris "sp. 1" Sternberg 1825
Cycadopsida
 Cycadales -
"Nilssonia "sp. 1"" = Nilsonia
"Nilssonia "sp. 1"" = Nilsonia Brongniart 1825 cycads
Spiropteris
  -
Spiropteris "sp. 1" Schimper 1869