Where: Iran (36.6° N, 60.1° E: paleocoordinates 28.3° N, 65.9° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Acanthoceras rhotomagense ammonoid zone, Aitamir Formation, Middle Cenomanian (99.6 - 93.5 Ma)
• The lower Cenomanian succession is unconformably overlain by a 16-m-thick unit of sandstone and sandy shale, glauconitic in the upper part and containing lower middle Cenomanian ammonoids.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, glauconitic sandstone
Size class: macrofossils
Collection methods: Repository: Museum für Mineralogie und Geologie (MMG) of the Senckenberg
•Naturhistorische Sammlungen Dresden (SNSD), Germany (repository AsK) and the institutional collection of the Payame Noor university, Mashad, Iran (PNu).
Primary reference: A. Mosavinia and M. Wilmsen. 2011. Cenomanian Acanthoceratoidea (Cretaceous Ammonoidea) from the Koppeh Dagh, NE Iran: taxonomy and stratigraphic implications. Acta Geologica Polonica 61:175-192 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 174335: authorized by Matthew Clapham, entered by Matthew Clapham on 10.11.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Acanthoceras rhotomagense Brongniart 1822 ammonite
Cunningtoniceras cunningtoni Sharpe 1855 ammonite | |
Forbesiceras baylissi Wright and Kennedy 1984 ammonite | |
Schloenbachia sp. Neumayr 1875 ammonite | |
Placenticeras guardakense ammonite | |
Turrilites scheuchzerianus Bosc 1801 ammonite
Turrilites costatus Lamarck 1801 ammonite |