Chelidonocephalus fauna, parallel to Zogros, Iran - Fortey and Rushton 1976: Merioneth, Iran
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Brachiopoda indet.
Cuvier 1805
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Trilobita
- Ptychopariida
- Plethopeltidae
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Koldiniella mitella
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15 specimens | |||||||||
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Trilobita
- Ptychopariida
- Proasaphiscidae
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Iranoleesia pisiformis
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4 specimens | |||||||||
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Chelidonocephalus alifrons
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3 specimens | |||||||||
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Chelidonocephalus preannulatus n. sp.
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11 specimens | |||||||||
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Trilobita
- Asaphida
- Anomocarellidae
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Anomocarella falconi
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5 specimens | |||||||||
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Trilobita
- Corynexochida
- Tsinaniidae
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? Tsinania sp.
Walcott 1914
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2 specimens | |||||||||
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Trilobita
- Corynexochida
- Dorypygidae
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Dorypyge sp.
Dames 1883
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1 specimen | |||||||||
| 1 fragmentary pygidia about 7mm long | ||||||||||
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Agnostida
- Peronopsidae
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Peronopsis (fallax) aff. minor
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30 specimens | |||||||||
| approximately 30 specimens of cephala and pygidia | ||||||||||
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Agnostida
- Agnostidae
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Hadragnostus edax
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7 specimens | |||||||||
| see common names | ||||||||||
Geography
| Country: | Iran |
| Coordinates: | 36.1° North, 50.6° East (view map) |
| Paleocoordinates: | 16.4° South, 138.7° East |
| Geographic resolution: | basin |
Time
| Period: | Cambrian | Epoch: | Furongian |
| 10 m.y. bin: | Cambrian 5 | ||
| *Period: | Late/Upper Cambrian | *Epoch: | Merioneth |
| Key time interval: | Merioneth | Zone: | Drepanura |
| Age range of interval: | 497 - 485.4 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Mila |
| Stratigraphic resolution: | formation |
Lithology and environment
| Primary lithology: | gray "limestone" |
| Lithology description: grey sparry limestone | |
Taphonomy
| Modes of preservation: | body,cast |
| Size of fossils: | macrofossils,mesofossils,microfossils |
| Preservation of anatomical detail: | good |
| Associated major elements: | many |
| Disassociated minor elements: | some |
| Fragmentation: | frequent |
| Encrustation: | none |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | field collection,survey of museum collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: The horny brachiopods found with the trilobites are not described in depth past being fragmented | |
| Taxonomic list comments:The list only includes trilobites to the genus/species level. | |
Metadata
| Database number: | 10633 | ||
| Authorizer: | M. Patzkowsky | Enterer: | P. Borkow | Research group: | marine invertebrate |
| Created: | 2001-05-30 08:54:30 | Last modified: | 2001-08-30 18:14:01 |
| Access level: | the public | Released: | 2001-05-30 08:54:30 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 3935. | R. A. Fortey and A. W. A. Rushton. 1976. Chelidonocephalus trilobite fauna from the Cambrian of Iran. Bulletin of the British Museum of Natural History (Geology) 27(4):321-340 [M. Patzkowsky/P. Borkow] |