Section 417, Georgina Basin, Thorntonia Area: Floran, Australia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rostroconchia
- Tuarangiida
- Pseudomyonidae
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Pseudomyona queenslandica
(Runnegar and Jell 1976)
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unclassified
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Corystos thorntoniensis n. gen., n. sp.
Vendrasco et al. 2010
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Helcionelloida
- Helcionellida
- Helcionellidae
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Protowenella flemingi
Runnegar and Jell 1976
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Figurina informal sp.
Parkhaev 2001
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? Anhuiconus agrenon n. sp.
Vendrasco et al. 2010
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Anabarella simesi
MacKinnon 1985
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Helcionelloida
- Helcionellida
- Stenothecidae
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Mellopegma georginensis
Runnegar and Jell 1976
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Ribeiria junior
Runnegar 1996
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recombined as Acanthotheca junior | |||||||
Helcionelloida
- Helcionellida
- Yochelcionellidae
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Eotebenna pontifex
Runnegar and Jell 1976
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Yochelcionella snorkorum n. sp.
Vendrasco et al. 2010
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Yochelcionella saginata n. sp.
Vendrasco et al. 2010
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Helcionelloida
- Pelagiellida
- Pelagiellidae
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Pelagiella deltoides
Runnegar and Jell 1976
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see common names |
Geography
Country: | Australia | State/province: | Queensland | County: | Thornton |
Coordinates: | 19.5° South, 138.9° East (view map) | ||||
Paleocoordinates: | 26.8° North, 172.6° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | small collection |
Time
Period: | Cambrian | Epoch: | Miaolingian |
Stage: | Drumian | 10 m.y. bin: | Cambrian 4 |
Key time interval: | Floran | Trilobite zone: | Ptychagnostus atavus |
Age range of interval: | 504.50000 - 503.00000 m.y. ago |
Stratigraphy
Formation: | Gowers |
Stratigraphic resolution: | group of beds |
Lithology and environment
Primary lithology: | planar lamination,phosphatic lithified lime mudstone |
Lithology description: more or less phosphatic, locally silicified, planar laminated calcimudstone with intervals of hardgrounds, nodules and phoscrete crusts and lags. Component phosphate grains include peloids, coated grains intraclasts and bioclasts. From Kruse (2002), not this paper. | |
Environment: | sand shoal |
Geology comments: intracratonic basin; environment classification based on lithology. From Kruse (2002), not this paper. |
Taphonomy
Modes of preservation: | replaced with phosphate |
Size of fossils: | microfossils |
Collection methods and comments
Collection excludes: | some macrofossils |
Collection methods: | bulk,field collection |
Reason for describing collection: | taxonomic analysis |
Collection method comments: All fossils are deposited in the Commonwealth Palaeontological Collections (CPC), Geoscience Australia, Canberra, under accession numbers 39705–39777. |
Metadata
Database number: | 93409 | ||
Authorizer: | P. Wagner | Enterer: | P. Wagner |
Modifier: | P. Wagner | Research group: | marine invertebrate |
Created: | 2010-01-18 06:49:49 | Last modified: | 2010-01-18 20:14:09 |
Access level: | the public | Released: | 2010-01-18 06:49:49 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
31600. | M. J. Vendrasco, S. M. Porter, A. Kouchinsky, G. Li, and C. Z. Fernandez. 2010. New data on molluscs and their shell microstructures from the Middle Cambrian Gowers Formation, Australia. Palaeontology 53(1):97-135 [P. Wagner/P. Wagner] |