Bed 26 of the Geirud Fm, Geirud Section, Northern Iran: Late/Upper Devonian, Iran

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Spiriferida - Cyrtospiriferidae
Cyrtospirifer (Cyrtospirifer) verneuili
A category
Rhynchonellata - Athyridida - Athyrididae
Athyris aff. chitralensis
F category
Rhynchonellata - Rhynchonellida - Trigonirhynchiidae
? Ptychomaletoechia deltidialis
A category
?Ptychomaletoechia deltidialis deltidialis
Rhynchonellata - Rhynchonellida - Leiorhynchidae
Eoparaphorhynchus maclareni
R category
Gastrodetoechia iranica
A category
see common names

Geography
Country:Iran County:Geirud
Coordinates: 36.0° North, 51.5° East (view map)
Paleocoordinates:25.6° South, 72.7° East
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Devonian Epoch:Late/Upper Devonian
*Period:Late/Upper Devonian
*International age/stage:Fammenian
Key time interval:Late/Upper Devonian
Age range of interval:382.70000 - 358.90000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Geirud Member:A
Local section:Geirud Local bed:26
Local order:bottom to top
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:shelly/skeletal,gray grainstone
Lithology description: "thin bedded biogenic calcarenite grey."
Environment:open shallow subtidal
Geology comments: no paleoenvironmental information is given.
Taphonomy
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Taxonomic list comments:Taxa are listed as abundant (A), frequent (F), or rare (R).
Metadata
Also known as:Type section of the Geirud Fm, paratype 7 of ?Ptychomaletoechia deltidialis deltidialis new subspecies
Database number:32707
Authorizer:A. Miller Enterer:J. Sessa
Modifier:J. Sessa Research group:marine invertebrate
Created:2003-07-13 19:32:24 Last modified:2003-07-13 23:16:55
Access level:the public Released:2003-07-13 19:32:24
Creative Commons license:CC BY
Reference information

Primary reference:

8787. M. Gaetani. 1965. The Geology of the Upper Djadjerud and Lar Valleys (Northern Iran) II. Paleontology. Brachiopods and Molluscs from Geirud Formation, Member A (Upper Devonian and Tournaisian). Revista Italiano Paleontology 71(3):697-770 [A. Miller/J. Sessa/J. Sessa]