Zefreh, bed 58 [Qom Fm]: Rupelian, Iran

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Pholadida - Teredinidae
Kuphus sp. Guettard 1770
Bivalvia - Pectinida - Pectinidae
Amussiopecten cf. subpleuronectes
see common names

Geography
Country:Iran
Coordinates: 32.9° North, 52.1° East (view map)
Paleocoordinates:31.4° North, 50.1° East
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Paleogene Epoch:Oligocene
Stage:Rupelian 10 m.y. bin:Cenozoic 4
Key time interval:Rupelian
Age range of interval:33.90000 - 27.82000 m.y. ago
Stratigraphy
Formation:Qom
Stratigraphic resolution:group of beds
Stratigraphy comments: 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 unknown position within unit.
Lithology and environment
Primary lithology:shelly/skeletal poorly lithified argillaceous "limestone"
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Argillaceous limestone, with coral rubble, and in-situ corals. LITHIFICATION: Poorly-lithified, based on figured specimens.
Environment:marine indet.
Geology comments: ENVIRONMENT: Shallow marine environment.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Preservation of anatomical detail:good
Fragmentation:frequent
Collection methods and comments
Collection methods:surface (float),surface (in situ),field collection
Reason for describing collection:general faunal/floral analysis
Museum repositories:NHMW
Collection method comments: COLLECTOR: F. Steininger and M. Harzhauser (~2004). REPOSITORY: Museum of Natural History, Viena (MNHW).
Taxonomic list comments:COMPLETENESS: Exhaustive for gastropoda, mentions informally bivalvia and corals. NOMENCLATURE: Authoritative publication, with modern nomenclature, use of genera and subgenera.
Metadata
Database number:111338
Authorizer:A. Hendy Enterer:A. Hendy
Research group:marine invertebrate
Created:2011-06-23 04:54:59 Last modified:2013-11-25 13:37:23
Access level:authorizer only Released:2012-06-23 04:54:59
Creative Commons license:CC BY
Reference information

Primary reference:

36490. 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]