Derband-I-Sar Valley IV, Elburz Mountains (Carboniferous of Iran)

Where: Iran (36.0° N, 51.5° E: paleocoordinates 31.4° S, 61.2° E)

• coordinate stated in text

• small collection-level geographic resolution

When: D Member (Geirud Formation), Visean (346.7 - 330.9 Ma)

• Originally assigned to Sakmarian, but foraminifera confirm Visean age (Gaetani et al., 2009).

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

Size class: macrofossils

Primary reference: N. Fantini Sestini. 1966. The geology of the Upper Djadjerud and Lar Valleys (North Iran) II; Palaeontology: brachiopods from Geirud Formation, Member D (Lower Permian). Rivista Italiana di Paleontologia e Stratigrafia 72(1):9-50 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 96755: authorized by Matthew Clapham, entered by Matthew Clapham on 29.06.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Murchisoniina - Gosseletinidae
? Mourlonia sp. de Koninck 1883 snail
Rhynchonellata
 Spiriferida - Trigonotretidae
"Neospirifer paucicostulatus" = Koenigoria paucicostulata
"Neospirifer paucicostulatus" = Koenigoria paucicostulata Reed 1925
 Athyridida - Athyrididae
Spirigerella sp. Waagen 1883
Strophomenata
 Productida - Productellidae
"Krotovia curvirostris" = Comuquia curvirostris
"Krotovia curvirostris" = Comuquia curvirostris Schellwien 1892
 Productida - Monticuliferidae
"Stepanoviella rossiae n. sp." = Globiella rossiae
"Stepanoviella rossiae n. sp." = Globiella rossiae Fantini Sestini 1966
 Productida - Aulostegidae
Taeniothaerus cf. iranicus Fantini Sestini 1966
Trilobita
 Proetida - Phillipsiidae
? Ditomopyge sp. Newell 1931 trilobite