Split Rock, Mutawintji National Park [Rowena Fm]: Llanvirn, Australia
collected by Jenkins 1982
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Pteraspidomorpha
- Arandaspididae
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Arandaspis sp.
Ritchie and Gilbert-Tomlinson 1977
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| see common names | |||||||
Geography
| Country: | Australia | State/province: | New South Wales |
| Coordinates: | 31.1° South, 142.4° East (view map) | ||
| Paleocoordinates: | 15.8° North, 175.4° East | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Ordovician | Epoch: | Middle Ordovician |
| 10 m.y. bin: | Ordovician 2-3 | ||
| Key time interval: | Llanvirn | ||
| Age range of interval: | 468.40000 - 458.40000 m.y. ago |
Stratigraphy
| Formation: | Rowena | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Rowena Fm AGE: Darriwilian; here placed in Llanvirn to avoid orphaning. STRATIGRAPHIC POSITION: Exact horizon unknown but probably from the middle to upper part of the formation. | |||||
Lithology and environment
| Primary lithology: | lithified quartzite |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Fossiliferous quartzites. LITHIFICATION: Lithified, on the basis of facies description. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils | ||
| Collection methods: | surface (in situ),field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | Jenkins | Collection dates: | 1982 |
| Collection method comments: COLLECTOR: C. Jenkins. REPOSITORY: ‘Geology Museum’ at the Australian National University, Canberra (formerly Geology Department, ANU, now Research School of Earth Sciences). | |||
| Taxonomic list comments:COVERAGE: Exhaustive for marine vertebrates. NOMENCLATURE: Authoritative publication, with modern nomenclature, but without species-resolution identification. | |||
Metadata
| Also known as: | Mootwingee | ||
| Database number: | 90375 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | vertebrate |
| Created: | 2009-07-17 17:46:17 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2009-07-17 17:46:17 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 30358. | G. C. Young. 2009. An Ordovician vertebrate from western New South Wales, with comments on Cambro-Ordovician vertebrate distribution patterns. Alcheringa 33:79-89 [A. Hendy/A. Hendy] |