Horse Creek D668: Iverian, Australia
collected by Shergold, F. de Keyser, C.E. Murrary, R. Thieme 1958
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Porifera indet.
Grant 1836
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Trilobita
- Olenida
- Aphelaspidae
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Taenicephalites plerus
Shergold 1980
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Trilobita
- Olenida
- Idahoiidae
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Maladioidella doylei
Shergold 1980
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Trilobita
- Olenida
- Dokimokephalidae
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Lorrettina depressa
Shergold 1980
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Trilobita
- Asaphida
- Ceratopygidae
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Cermatops vieta
Shergold 1980
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Trilobita
- Changshaniidae
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Wentsuia iota
Shergold 1980
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Agnostida
- Diplagnostidae
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Rhaptagnostus apsis n. sp.
Shergold 1980
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unclassified
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Brachiopoda indet.
Cuvier 1805
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Pelmatozoa indet.
Leuckart 1848
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Geography
| Country: | Australia | State/province: | Queensland |
| Coordinates: | 22.0° South, 140.3° East (view map) | ||
| Paleocoordinates: | 25.0° North, 174.8° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cambrian | Epoch: | Furongian |
| Stage: | Jiangshanian | 10 m.y. bin: | Cambrian 5 |
| Key time interval: | Iverian | Trilobite zone: | Wentsuia iota - Rhaptagnostus apsis |
| Age range of interval: | 494 - 489.5 m.y. ago |
Stratigraphy
| Formation: | Chatsworth |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | ooidal,shelly/skeletal lithified grainstone |
| Lithology description: "Silicified ooid skeletal grainstone." | |
| Environment: | open shallow subtidal |
| Geology comments: "rocks were deposited in high energy shallow subtidal, intertidal and possibly aeolian environments" | |
Taphonomy
| Modes of preservation: | body,mold/impression |
| Size of fossils: | macrofossils |
| Disassociated major elements: | all |
Collection methods and comments
| Collection methods: | surface (in situ),mechanical,field collection | ||
| Reason for describing collection: | biostratigraphic analysis | ||
| Collectors: | Shergold, F. de Keyser, C.E. Murrary, R. Thieme | Collection dates: | 1958 |
Metadata
| Database number: | 228203 | ||
| Authorizer: | M. Hopkins | Enterer: | M. Hopkins |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2022-11-22 13:47:40 | Last modified: | 2023-01-21 17:10:35 |
| Access level: | the public | Released: | 2022-11-22 13:47:40 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 83129. | J. H. Shergold. 1980. Late Cambrian trilobites from the Chatsworth Limestone, western Queensland. Bureau of Mineral Resources, Geology and Geophysics Bulletin 186:1-108 [M. Hopkins/M. Hopkins] |