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
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Cyrtospirifer (Cyrtospirifer) verneuili
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A category | |||||||||
Rhynchonellata
- Athyridida
- Athyrididae
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Athyris aff. chitralensis
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F category | |||||||||
Rhynchonellata
- Rhynchonellida
- Trigonirhynchiidae
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? Ptychomaletoechia deltidialis
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A category | |||||||||
?Ptychomaletoechia deltidialis deltidialis | ||||||||||
Rhynchonellata
- Rhynchonellida
- Leiorhynchidae
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Eoparaphorhynchus maclareni
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R category | |||||||||
Gastrodetoechia iranica
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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
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] |