Taherabad section, 129 m level: Late Aptian - Early Albian, Iran
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Nautilida
- Nautilidae
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Eutrephoceras clementianum
(d'Orbigny 1840)
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| see common names | |||||||
Geography
| Country: | Iran |
| Coordinates: | 36.6° North, 60.1° East (view map) |
| Paleocoordinates: | 26.7° North, 72.6° East |
| Basis of coordinate: | stated in text |
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| 10 m.y. bin: | Cretaceous 2-3 - Cretaceous 4 | ||
| Key time interval: | Late Aptian - Early Albian | ||
| Age range of interval: | 119.5 - 109.9 m.y. ago |
Stratigraphy
| Formation: | Aitamir | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: At the second glauconitic sandstone bed of the Aitamir Formation (=129 m level). E. clementianum occurs between the latest Aptian index ammonite Hypacanthoplites uhligi (at the 45 m level) and Hoplites (Hoplites) baylei (at the 290 m level), i.e., the middle to late Albian. | |||||
Lithology and environment
| Primary lithology: | glauconitic lithified sandstone |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Repository: Department of Geology, Ferdowsi University of Mashhad | |
Metadata
| Database number: | 221575 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2021-08-14 22:15:30 | Last modified: | 2021-08-14 22:15:30 |
| Access level: | the public | Released: | 2021-08-14 22:15:30 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 77648. | J. Sharifi, A. Tajika, A. Mohammadabadi and M. H. Tabari Abkuh. 2021. First discovery of nautilids from the Albian-Cenomanian succession of the Koppeh Dagh Basin, NE Iran. Swiss Journal of Palaeontology 140(14) [M. Clapham/M. Clapham] |