GS7830, East of Eglinton Valley (D42/f7514): Anisian, New Zealand
collected by B. Waterhouse 1959
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Bivalvia
- Cardiida
- Kalenteridae
|
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Permophorus obovatus
Waterhouse 1979
|
300 specimens | |||||||||
| 300+ specimens, roughly equal proportions of left and right valves (4 measurements) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | New Zealand | State/province: | Southland |
| Coordinates: | 45.1° South, 168.0° East (view map) | ||
| Paleocoordinates: | 72.7° South, 159.3° East | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | small collection |
Time
| Period: | Triassic | Epoch: | Middle Triassic |
| Stage: | Anisian | 10 m.y. bin: | Triassic 2 |
| Key time interval: | Anisian | ||
| Age range of interval: | 247.2 - 242 m.y. ago |
Stratigraphy
| Member: | Retford Conglomerate-Breccia | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Smithian ammonoids of Malakovian stage now considered Anisian | |||||
Lithology and environment
| Primary lithology: | lithified conglomerate |
| Includes fossils? | Y |
| Lithology description: 12-15m of sandstone with conglomerate breccia | |
| Environment: | marginal marine indet. |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils | ||
| Collection methods: | field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | IGNS | ||
| Collectors: | B. Waterhouse | Collection dates: | 1959 |
| Collection method comments: Material held by New Zealand Geological Survey | |||
Metadata
| Database number: | 73848 | ||
| Authorizer: | A. McGowan | Enterer: | A. McGowan |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2007-07-04 02:35:04 | Last modified: | 2017-05-23 16:34:15 |
| Access level: | the public | Released: | 2007-07-04 02:35:04 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 24755. | J. B. Waterhouse. 1979. A new species of Permophorus Chavan (Bivalvia) from the early Triassic of New Zealand. New Zealand Journal of Geology and Geophysics 22:743-749 [A. McGowan/A. McGowan/M. Clapham] |