Where: Iran (36.6° N, 60.1° E: paleocoordinates 28.2° N, 67.0° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Aitamir Formation, Late/Upper Albian (105.3 - 99.6 Ma)

• At the 490 m level of the Taherabad section, just above the ammonite taxa Mariella (Mariella) bergeri, Semenoviceras michalskii and Placenticeras mediasiaticum. S. michalskii and M. (M.) bergeri are the main classical components of the late Albian Dipoloceras cristatum and Stoliczkaia dispar zones.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified shale

Size class: macrofossils

Collection methods: Repository: Department of Geology, Ferdowsi University of Mashhad

Primary reference: J. Sharifi, A. Tajika, A. Mohammadabadi and M. H. Tabari Abkuh. 2021. First discovery of nautilids from the Albian-Cenomanian succession of the Koppeh Dagh Basin, NE Iran. Swiss Journal of Palaeontology 140(14) [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 221576: authorized by Matthew Clapham, entered by Matthew Clapham on 14.08.2021

Creative Commons license: CC BY (attribution)