Chehar Borj: 34 km ne of Esfara: Late Bathonian - Callovian, Iran
collected by Ahmad Raoufian
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Phylloceratida
- Phylloceratidae
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Phylloceras kunthi
Neumayr 1871
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Phylloceras isotypum
(Benecke 1866)
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Phylloceras velaini
Munier-Chalmas in Haug 1891
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Phylloceras duodecimsulcatum
Collignon 1959
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Ptychophylloceras (Tatrophylloceras) euphyllum
(Neumayr 1871)
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Ptychophylloceras (Tatrophylloceras) hommaire
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Holcophylloceras zignodianum
(d'Orbigny 1848)
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Holcophylloceras marioni
(Munier-Chalmas in Lanquine 1929)
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Calliphylloceras disputabile
(Zittel 1869)
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Sowerbyceras tortisulcatum
(d'Orbigny 1841)
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| see common names | |||||||
Geography
| Country: | Iran | State/province: | Razavi Khorasan | County: | Baqi |
| Coordinates: | 37.2° North, 57.2° East (view map) | ||||
| Paleocoordinates: | 16.5° South, 46.5° East | ||||
| Basis of coordinate: | stated in text | ||||
| Altitude: | 549 meters | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Bathonian - Callovian | 10 m.y. bin: | Jurassic 4 - Jurassic 5 |
| Key time interval: | Late Bathonian - Callovian | ||
| Age range of interval: | 168.2 - 161.5 m.y. ago |
Stratigraphy
| Formation: | Dalichai |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body,cast |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | MNHN |
| Collectors: | Ahmad Raoufian |
| Collection method comments: Repository: Ferdowsi University of Mashhad, Iran | |
Metadata
| Database number: | 234645 | ||
| Authorizer: | P. Scofield | Enterer: | P. Scofield | Research group: | marine invertebrate |
| Created: | 2024-04-26 20:45:22 | Last modified: | 2024-04-26 20:45:22 |
| Access level: | the public | Released: | 2024-04-26 20:45:22 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 88264. | A. Raoufian, B. Joly, K. Seyed–Emami, A.R. Ashouri, M.R. Majidifard and H. Ameri. 2014. Phylloceratoidea du Jurassique moyen et supérieur du Nord-Est de l’Iran (Monts Binalud). Annales de Paléontologie 100(4):311-325 [P. Scofield/P. Scofield] |