Where: Iran (36.6° N, 60.1° E)

• Paleocoordinates: 31.8° N, 71.5° E (Wright 2013)

• coordinate stated in text

• outcrop-level geographic resolution

When: Mantelliceras mantelli ammonoid zone, Aitamir Formation, Early/Lower Cenomanian (100.5 - 93.9 Ma)

• 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 221577: authorized by Matthew Clapham, entered by Matthew Clapham on 14.08.2021

Creative Commons license: CC0 (CC0)