DM-A/5. 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 15.6° S, 149.8° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Lower Member (Deh-Molla U16 Formation), Tremadoc (485.4 - 477.7 Ma)

• Lower Tremadoc; informal formation name.

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified siltstone

• Argillite

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: M. Ghobadi Pour, M. R. Kebriaee-Zadeh, and L. Popov. 2011. Early Ordovician (Tremadocian) brachiopods from the Eastern Alborz Mountains, Iran. Estonian Journal of Earth Sciences 60:65-82 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 185918: authorized by Pete Wagner, entered by Pete Wagner on 24.05.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Pilekiidae
Sinoparapilekia sp. Peng 1990 trilobite
 Olenida - Olenidae
"Chungkingaspis sinensis" = Leptoplastides
"Chungkingaspis sinensis" = Leptoplastides trilobite
 Ptychopariida - Shumardiidae
 Asaphida - Asaphidae
 Asaphida - Hungaiidae
Rhynchonellata
 Orthida - Nanorthidae
"Nanorthis bastamensis" = Gondwanorthis bastamensis
"Nanorthis bastamensis" = Gondwanorthis bastamensis Ghobadi Pour et al. 2011