Chalheghareh, beds 98-106 [Qom Fm]: Rupelian, Iran

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Tubothalamea - Miliolida - Austrotrillinidae
Austrotrillina sp.
Nummulitidae
Operculina sp.
Bivalvia - Pholadida - Teredinidae
Kuphus melitensis
Echinoidea - Clypeasteroida - Scutellidae
Parascutella sp. Durham 1953
see common names

Geography
Country:Iran
Coordinates: 33.8° North, 51.7° East (view map)
Paleocoordinates:32.1° North, 49.5° 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 - 28.10000 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 beds 98-106, 320-340 m above the base of the section.
Lithology and environment
Primary lithology:shelly/skeletal poorly lithified grainstone
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Fossiliferous limestones (grainstones, packstones, rudstones). LITHIFICATION: Poorly-lithified, based on figured specimens.
Environment:carbonate indet.
Geology comments: ENVIRONMENT: Shallow marine environment.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
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:111414
Authorizer:A. Hendy Enterer:A. Hendy
Research group:marine invertebrate
Created:2011-06-23 23:01:35 Last modified:2013-11-25 13:37:23
Access level:authorizer only Released:2012-06-23 23:01:35
Creative Commons license:CC BY
Reference information

Primary reference:

36478. M. Harzhauser, M. Euter, W. E. Piller, B. Berning, A. Kroh and O. Mandic. 2009. Oligocene and Early Miocene gastropods from Kutch (NW India) document an early biogeographic switch from Western Tethys to Indo-Pacific. Palaeontologische Zeitschrift 83:333-372 [A. Hendy/A. Hendy]