ARH-T43, Oruatemanu Island: Dienerian, New Zealand
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Protozoa
- Entactinaria
- Tetrentactiniidae
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Triaenosphaera minuta
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Protozoa
- Entactinaria
- Entactiniidae
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Oruatemanua triassica
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? Entactinosphaera spoerlii
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? Copicyntra sp.
Nazarov and Ormiston 1985
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Entactinia sp.
Foreman 1963
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synonym of Stigmosphaerostylus | |||||||
Hegleria mammilla
(Sheng and Wang 1985)
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Protozoa
- Albaillellaria
- Follicucullidae
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Follicucullus scholasticus
Ormiston and Babcock 1979
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see common names |
Geography
Country: | New Zealand |
Coordinates: | 35.0° South, 173.8° East (view map) |
Paleocoordinates: | 70.0° South, 160.2° East |
Basis of coordinate: | estimated from map |
Geographic resolution: | hand sample |
Time
Period: | Triassic | Epoch: | Early/Lower Triassic |
Stage: | Induan | 10 m.y. bin: | Triassic 1 |
Key time interval: | Dienerian | ||
Age range of interval: | 252.17000 - 251.30000 m.y. ago |
Stratigraphy
Formation: | Oruatemanu | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: Unit 2b |
Lithology and environment
Primary lithology: | lithified chert |
Environment: | basinal (siliceous) |
Taphonomy
Modes of preservation: | body,original silica |
Size of fossils: | microfossils |
Preservation of anatomical detail: | medium |
Collection methods and comments
Collection methods: | chemical,hydroflouric,field collection |
Reason for describing collection: | taxonomic analysis |
Metadata
Database number: | 95466 | ||
Authorizer: | T. Danelian | Enterer: | T. Danelian |
Modifier: | T. Danelian | Research group: | micropaleontology |
Created: | 2010-04-16 10:15:02 | Last modified: | 2010-04-16 13:18:20 |
Access level: | the public | Released: | 2010-04-16 10:15:02 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
32463. | A. Takemura, M. Sakai, S. Sakamoto, R. Aono, S. Takemura and S. Yamakita. 2007. Earliest Triassic Radiolarians from the ARH and ARF sections on Arrow Rocks, Waipapa Terrane, Northland, New Zealand. GNS Science Monograph 24:97-107 [T. Danelian/T. Danelian/M. Uhen] |