Shahmirzad Member 2, Elburz Mountains: Mayan, Iran
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Demospongiae
- Protomonaxonida
- Hazeliidae
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? Hazeliidae indet.
De Laubenfels 1955
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Kruse and Zhuravlev 2008 | |||||||||
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Demospongiae
- Anthaspidellidae
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Rankenella hamdii n. sp.
Kruse and Zhuravlev 2008
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Kruse and Zhuravlev 2008 | |||||||||
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Trilobita
- Asaphida
- Anomocarellidae
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Anomocarella sp.
Walcott 1905
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Trilobita
- Ptychopariida
- Proasaphiscidae
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? Proasaphiscus sp.
Resser and Endo 1935
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Lioparella sp.
Kobayashi 1937
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Iranoleesia sp.
King 1955
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| indicative of a late Middle Cambrian age | ||||||||||
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Trilobita
- Corynexochida
- Dorypygidae
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Dorypyge khademi
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| subspecies khademi | ||||||||||
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Hormogoneae
- Oscillatoriales
- Girvanellaceae
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Girvanella sp.
Nicholson and Etheridge 1878
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Kruse and Zhuravlev 2008 | |||||||||
| see common names | ||||||||||
Geography
| Country: | Iran | State/province: | Semnan |
| Coordinates: | 35.8° North, 53.3° East (view map) | ||
| Paleocoordinates: | 35.8° North, 53.3° East | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cambrian | Epoch: | Miaolingian |
| 10 m.y. bin: | Cambrian 4 | ||
| *Period: | Middle Cambrian | *Epoch: | Menevian |
| *International age/stage: | Mayan | ||
| Key time interval: | Mayan | ||
| Age range of interval: | 504.50000 - 499.50000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Lithology and environment
| Primary lithology: | lithified wackestone |
| Secondary lithology: | lithified calcareous "shale" |
| Environment: | shallow subtidal indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Database number: | 22822 | ||
| Authorizer: | W. Kiessling | Enterer: | W. Kiessling, B. Bookhagen, U. Merkel |
| Modifier: | U. Merkel | Research group: | marine invertebrate |
| Created: | 2002-06-27 06:17:08 | Last modified: | 2011-11-22 08:21:30 |
| Access level: | the public | Released: | 2002-06-27 06:17:08 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 6576. | B. Hamdi, A. Y. Rozanov, and A. Y. Zhuravlev. 1995. Latest Middle Cambrian metazoan reef from northern Iran. Geological Magazine 132(4):367-373 [W. Kiessling/B. Bookhagen/M. Uhen] |
Secondary references:
| 38599 | P. D. Kruse and A. Y. Zhuravlev. 2008. Middle-Late Cambrian Rankenella-Girvanella reefs of the Mila Formation, northern Iran. Canadian Journal of Earth Sciences 45:619-639 [W. Kiessling/U. Merkel] |