Chhidru West, Section 6A, Bed 3 (T63-151, K3-3): Griesbachian, Pakistan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ceratitida
- Ophiceratidae
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Ophiceras connectens
Schindewolf 1954
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Strophomenata
- Productida
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Spinomarginifera sp.
Huang 1932
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Lingulata
- Lingulida
- Lingulidae
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Lingula cf. borealis
Bittner 1899
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Rowell 1970 | |||||||||
| recombined as Lingularia borealis | ||||||||||
| (1 measurement) | ||||||||||
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unclassified
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Echinodermata indet.
Klein 1754
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| see common names | ||||||||||
Geography
| Country: | Pakistan |
| Coordinates: | 32.6° North, 71.8° East (view map) |
| Paleocoordinates: | 40.5° South, 56.5° East |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | small collection |
Time
| Period: | Triassic | Epoch: | Early/Lower Triassic |
| 10 m.y. bin: | Triassic 1 | ||
| Key time interval: | Griesbachian | ||
| Age range of interval: | 251.90200 - 251.40000 m.y. ago |
Lithology and environment
| Primary lithology: | "cross stratification",planar lamination,red or brown lithified dolomite |
| Lithology description: Dolomite, grayish-orange to dark yellowish-orange, finely crystalline, laminated, locally cross-bedded | |
| Environment: | shallow subtidal 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: | 95276 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2010-04-11 14:44:16 | Last modified: | 2013-11-25 13:02:06 |
| Access level: | the public | Released: | 2010-04-11 14:44:16 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 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] |
Secondary references:
| 32426 | A. J. Rowell. 1970. Lingula from the basal Triassic, Kathwai Member, Mianwali Formation, Salt Range and Surghar Range, West Pakistan. Stratigraphic Boundary Problems: Permian and Triassic of West Pakistan, Department of Geology, University of Kansas Special Publication 4:111-116 [M. Clapham/M. Clapham] |