DM-A/11. unnamed valley about 1 km northeast of the Qalyankesh Mountain (Ordovician of Iran)

Also known as Close to the Shahrud University mine at about 8.5 km north of the Kalat-e Molla village.

Where: Iran (36.4° N, 54.7° E: paleocoordinates 20.7° S, 143.3° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Lenodus variabilis - Lenodus pseudoplanus conodont zone, Lashkarak Formation, Darriwilian (467.3 - 458.4 Ma)

• Lower Darriwillian

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, brown, red, calcareous sandstone and ooidal ironstone

• brownish red argillite, with a few beds of oolitic ironstone

Size class: macrofossils

Preservation: mold/impression

Collection methods: acetic,

• The nodules have been slightly etched with dilute acetic acid to free the moulds from their attached shells.

Primary reference: L. E. Popov, M. R. Kebriaee-Zadeh, and M. Ghobadi Pour. 2016. Emergence of the Saucrorthis Fauna in the Middle Ordovician of northern Iran. Australasian Palaeontological Memoirs 49:485-514 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 186094: authorized by Pete Wagner, entered by Pete Wagner on 10.06.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Trilobita
 Asaphida - Asaphidae
"Opsimasaphus sp." = Birmanites
"Opsimasaphus sp." = Birmanites Sheng 1934 trilobite
 Asaphida - Nileidae
Strophomenata
 Billingsellida - Polytoechiidae
 Strophomenida - Grorudiidae
? Calyptolepta sp. Neuman 1976
 Strophomenida - Sowerbyellidae
 Strophomenida - Leptellinidae
Leptastichidia sp. Zhan and Jin 2005
Lepidomena multiplicata Popov et al. 2016
 Strophomenida - Rafinesquinidae
Dirafinesquina globosa Cocks and Zhan 1998
 Strophomenida - Christianiidae
Christiania sp. Hall and Clarke 1892
 Strophomenida - Strophomenidae
Semnanostrophia lata Ghobadi Pour et al. 2011
Rhynchonellata
 Pentamerida - Porambonitidae
Porambonites sp. Pander 1830
 Orthida - Orthidae
 Orthida - Productorthidae
 Orthida - Phragmorthidae
Cephalopoda
 Orthocerida - Geisonoceratidae
? Virgoceras sp. Flower 1939