Qom, bed 17 [Qom Fm] (Oligocene of Iran)

Where: Iran (34.6° N, 50.7° E: paleocoordinates 32.7° N, 48.2° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Qom Formation, Rupelian (33.9 - 28.1 Ma)

• STRATIGRAPHIC RELATIONS: From Qom Fm, which overlies the continental Lower Red Fm. THICKNESS: Unknown thickness. AGE: Qom Fm is Early-Late Rupelian at this section, although collections originate from Late Rupelian strata based on planktonic foraminfera (pers. comm. Rögl). STRATIGRAPHIC POSITION: From bed 17, 250 m above the base of the section.

• group of beds-level stratigraphic resolution

Environment/lithology: poorly lithified, argillaceous limestone

• ENVIRONMENT: Shallow marine environment.
• SPECIFIC LITHOLOGY: Limestones, with interbedded marls. LITHIFICATION: Poorly-lithified, based on figured specimens.

Size class: macrofossils

Reposited in the NHMW

Collection methods: surface (float), surface (in situ),

• COLLECTOR: F. Steininger and M. Harzhauser (~2004). REPOSITORY: Museum of Natural History, Viena (MNHW).

Primary reference: M. Reuter, W. E. Piller, M. Harzhauser, O. Mandic, B. Berning, F. Rögl, A. Krog, M.-P. Aubry, U. Wielandt-Schuster and A. Hamedani. 2009. The Oligo/Miocene Qom Formation (Iran): evidence for an early Burdigalian restriction of the Tethyan Seaway and closure of its Iranian gateways. International Journal of Earth Sciences 98:627-650 [A. Hendy/A. Hendy/O. Alfaro]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 111346: authorized by Austin Hendy, entered by Austin Hendy on 23.06.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

• COMPLETENESS: Exhaustive for gastropoda, mentions informally bivalvia and corals. NOMENCLATURE: Authoritative publication, with modern nomenclature, use of genera and subgenera.
Bivalvia
 Pectinida - Pectinoidae