USNM9156, Chhidru Nala, Salt Range: Changhsingian, Pakistan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Lingulata
- Lingulida
- Lingulidae
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Lingula cf. borealis
Bittner 1899
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Kummel and Teichert 1970 | |||||||||
| recombined as Lingularia borealis | ||||||||||
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Strophomenata
- Productida
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Spinomarginifera sp.
Huang 1932
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| (1 measurement) | ||||||||||
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= Spinomarginifera kathwaiensis
Waterhouse and Gupta 1983
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Waterhouse and Gupta 1983 | |||||||||
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Bivalvia
- Pectinida
- Pseudomonotidae
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cf. Pseudomonotis sp.
von Beyrich 1862
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Kummel and Teichert 1970 | |||||||||
| Pseudomonotis-like bivalves | ||||||||||
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Cephalopoda
- Ceratitida
- Ophiceratidae
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Ophiceras connectens
Schindewolf 1954
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Kummel and Teichert 1970 | |||||||||
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unclassified
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Echinodermata indet.
Klein 1754
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Kummel and Teichert 1970 | |||||||||
| see common names | ||||||||||
Geography
| Country: | Pakistan | State/province: | Punjab |
| Coordinates: | 32.6° North, 71.8° East (view map) | ||
| Paleocoordinates: | 41.0° South, 56.3° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Permian | Epoch: | Lopingian |
| Stage: | Changhsingian | 10 m.y. bin: | Permian 4 |
| Key time interval: | Changhsingian | ||
| Age range of interval: | 254.14000 - 251.90200 m.y. ago |
Stratigraphy
| Formation: | Mianwali | Member: | Kathwai | ||
| Local section: | 6A, West Chhidru Nala | Local bed: | 3 | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Bed 3, the lowest bed of the Dolomite unit of the Kathwai Member is 0.9 feet thick, but the sample came from 6 inches above the base. | |||||
Lithology and environment
| Primary lithology: | "cross stratification",planar lamination,gray,red or brown dolomite |
| Includes fossils? | Y |
| Lithology description: Dolomite, grayish-orange to dark yellowish-orange, finely-crystalline, laminated, locally cross-bedded. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 41559 | ||
| Authorizer: | D. Bottjer, M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2004-07-16 13:14:49 | Last modified: | 2011-05-14 11:33:26 |
| Access level: | the public | Released: | 2004-07-16 13:14:49 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 11135. | R. E. Grant. 1970. Brachiopods from the Permian-Triassic boundary beds and age of Chhidru Formation, West Pakistan. Department of Geology, University of Kansas Special Publication 4:117-151 [D. Bottjer/M. Clapham/P. Wagner] |
Secondary references:
| 11136 | B. Kummel and C. Teichert. 1970. Stratigraphy and paleontology of the Permian-Triassic boundary beds, Salt Range and Trans-Indus Ranges, West Pakistan. Department of Geology, University of Kansas Special Publication 4:1-110 [D. Bottjer/M. Clapham/P. Wagner] | |
| 11039 | J. B. Waterhouse and V. J. Gupta. 1983. An early Djulfian (Permian) brachiopod faunule from upper Shyok Valley, Karakorum Range, and the implcations for dating of allied faunas from Iran and Pakistan DATA NOT ENTERED: SEE M. Clapham FOR DETAILS. Contributions to Himalayan Geology 2: Stratigraphy and Structure of Kashmir and Ladakh Himalaya 188-233 [D. Bottjer/M. Clapham/M. Clapham] |