Shenk Peak (uncertain stratigraphic level): Early/Lower Triassic, Antarctica
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Anomodontia
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Kombuisia antarctica n. sp.
Fröbisch et al. 2010
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1 specimen | |||||||||
| AMNH 9562, partial skull and lower jaw | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Antarctica |
| Coordinates: | 85.1° South, 174.8° West (view map) |
| Paleocoordinates: | 81.8° South, 69.8° East |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | small collection |
Time
| Period: | Triassic | Epoch: | Early/Lower Triassic |
| 10 m.y. bin: | Triassic 1 | ||
| Key time interval: | Early/Lower Triassic | Zone: | Lystrosaurus |
| Age range of interval: | 251.90200 - 247.20000 m.y. ago |
Stratigraphy
| Geological group: | Beacon | Formation: | Fremouw | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: "Rocks at Shenk Peak represent the best-exposed section of the lower and middle members of the Fremouw Formation. Although the exact level of AMNH 9562 in this section is unknown, it was most likely recovered in the Early Triassic (Induan) lower member of the Fremouw Formation, as only indeterminate pieces of bone have been recovered from the middle member (Collinson et al. 2006)." | |||||
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | medium |
| Fragmentation: | frequent |
| Temporal resolution: | snapshot |
Collection methods and comments
| Collection methods: | survey of museum collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | AMNH |
Metadata
| Database number: | 99431 | ||
| Authorizer: | R. Butler | Enterer: | R. Butler | Research group: | vertebrate |
| Created: | 2010-11-11 01:38:03 | Last modified: | 2010-11-10 08:38:03 |
| Access level: | the public | Released: | 2010-11-11 01:38:03 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 34180. | J. Fröbisch, K. D. Angielczyk, and C. A. Sidor. 2010. The Triassic dicynodont Kombuisia (Synapsida, Anomodontia) from Antarctica, a refuge from the terrestrial Permian-Triassic mass extinction. Naturwissenschaften 97:187-196 [R. Butler/R. Butler] |