Wilkawilina Gorge sample WILK M: Early/Lower Cambrian, Australia
collected by Brian Daily 1976
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Tommotiida
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Paterimitra pyramidalis
Laurie 1986
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| see common names | |||||||
Geography
| Country: | Australia | State/province: | South Australia |
| Coordinates: | 31.3° South, 138.9° East (view map) | ||
| Paleocoordinates: | 16.4° North, 160.6° West | ||
| Basis of coordinate: | stated in text |
Time
| Period: | Cambrian |
| 10 m.y. bin: | Cambrian 1-3 |
| Key time interval: | Early/Lower Cambrian |
| Age range of interval: | 538.80000 - 509.00000 m.y. ago |
Stratigraphy
| Geological group: | Hawker | Formation: | Wilkawilina Limestone | Member: | Second Plain Creek |
| Local section: | WILK | Local bed: | M: 56.77 m | ||
| Local order: | bottom to top | ||||
| Stratigraphy comments: 56.77 m above base of section | |||||
Lithology and environment
| Primary lithology: | peloidal,shelly/skeletal lithified calcareous packstone |
| Secondary lithology: | lithified calcareous grainstone |
| Lithology description: The carbonates are dominated by richly fossiliferous skeletal and peloidal packstones and grainstones (Clarke 1986a-b, 1990), with localised cross laminated ripples and sparry stylonodular bedding. | |
| Environment: | lagoonal/restricted shallow subtidal |
Taphonomy
| Modes of preservation: | body,original phosphate |
| Size of fossils: | mesofossils,microfossils |
| Associated major elements: | some |
| Disassociated major elements: | many |
| Temporal resolution: | time-averaged |
Collection methods and comments
| Collection excludes: | some microfossils | ||
| Collection methods: | bulk,acetic,survey of museum collection | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Collectors: | Brian Daily | Collection dates: | 1976 |
Metadata
| Database number: | 215331 | ||
| Authorizer: | T. Wong Hearing | Enterer: | T. Wong Hearing | Research group: | marine invertebrate,micropaleontology |
| Created: | 2020-11-09 16:15:24 | Last modified: | 2020-11-09 16:15:24 |
| Access level: | the public | Released: | 2020-11-09 16:15:23 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 74288. | C. M. Larsson, C. B. Skovsted, G. A. Brock, U. Balthasar, T. P. Topper and L. E. Holmer. 2014. Paterimitra pyramidalis from South Australia: scleritome, shell structure and evolution of a lower Cambrian stem group brachiopod. Palaeontology 57(2):417-446 [T. Wong Hearing/T. Wong Hearing] |