Col Crame, Cape Lachman: Santonian, Antarctica
collected by A. López Angríman 1988
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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| 1 specimen | ||||||||||
| MLP 89-XII-1-1 | ||||||||||
| Carrano et al. 2012 | ||||||||||
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unclassified
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| "remains of logs without...borings" | ||||||||||
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Palaeophycus sp.
Hall 1847
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Planolites sp.
Nicholson 1873
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| see common names | ||||||||||
Geography
| Country: | Antarctica |
| Coordinates: | 63.8° South, 57.9° West (view map) |
| Paleocoordinates: | 59.6° South, 58.2° West (Wright 2013) |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Santonian | 10 m.y. bin: | Cretaceous 6 |
| Key time interval: | Santonian | ||
| Age range of interval: | 85.7 - 83.6 m.y. ago |
Stratigraphy
| Geological group: | Gustav | Formation: | Hidden Lake | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: middle section of formation | |||||
Lithology and environment
| Primary lithology: | calcareous,carbonaceous sandstone |
| Includes fossils? | Y |
| Lithology description: "calcareous sand with abundant carbonised material" | |
| Environment: | delta plain |
| Geology comments: "a developing distributary plain in the central fan of a fan delta depositional system", also called "nearshore marine" | |
Taphonomy
| Modes of preservation: | body,trace |
| Degree of concentration: | dispersed |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
| Disassociated major elements: | all |
| Fragmentation: | occasional |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | surface (in situ),field collection | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Collectors: | A. López Angríman | Collection dates: | 1988 |
Metadata
| Also known as: | Hidden Lake | ||
| Database number: | 47823 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2005-03-02 19:48:19 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2005-03-02 19:48:19 |
| Creative Commons license: | CC0 | ||
Reference information
Primary reference:
| 12810. | ETE | R. E. Molnar, A. L. Angriman, and Z. Gasparini. 1996. An Antarctic Cretaceous theropod. Memoirs of the Queensland Museum 39(3):669-674 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
| 41617 | M. T. Carrano, R. B. J. Benson, and S. D. Sampson. 2012. The phylogeny of Tetanurae (Dinosauria: Theropoda). Journal of Systematic Palaeontology 10(2):211-300 [M. Carrano/M. Carrano] | |
| 25460 | ETE | J. A. Case, J. E. Martin, and M. A. Reguero. 2007. A dromaeosaur from the Maastrichtian of James Ross Island and the Late Cretaceous Antarctic dinosaur fauna. In A. K. Cooper, C. R. Raymond, & the ISAES Editorial Team (eds.), Antarctica: A Keystone in a Changing World. Online Proceedings of the 10th ISAES. United States Geological Survey and the National Academies. USGS Open-File Report 2007-1047, Short Research Paper 083:1-4 [M. Carrano/M. Carrano/M. Carrano] |
| 12945 | ETE | T. H. Rich. 1996. Significance of polar dinosaurs in Gondwana. Memoirs of the Queensland Museum 39(3):711-717 [M. Carrano/M. Carrano/M. Carrano] |