VEG9303, Cape Lamb: Late/Upper Maastrichtian, Antarctica
collected 1992-1993
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Anseriformes
|
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Presbyornithidae indet.
Wetmore 1926
|
2 individuals | |||||||||
| MLP 93-I-3-1, 93-I-3-2 | ||||||||||
|
= Vegavis iaai n. gen., n. sp.
Clarke et al. 2005
|
Clarke et al. 2005 | |||||||||
| see common names | ||||||||||
Geography
| Country: | Antarctica |
| Coordinates: | 63.9° South, 57.6° West (view map) |
| Paleocoordinates: | 62.2° South, 68.0° West |
| Basis of coordinate: | stated in text |
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
| Key time interval: | Late/Upper Maastrichtian | ||
| Age range of interval: | 72.10000 - 66.00000 m.y. ago |
Stratigraphy
| Formation: | López de Bertodano | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: "Unit B" of Upper Cretaceous marine succession, referred tentatively to this formation; Middle? to Upper Maastrichtian
late Maastrichtian based on supplement to Clarke et al. (2005) | |||||
Lithology and environment
| Primary lithology: | fine,concretionary lithified sandstone |
| Includes fossils? | Y |
| Lithology description: "fine-grained sandstones" (Clarke et al. 2005) clearly lithified based on figure specimen | |
| Environment: | coastal indet. |
| Geology comments: "near-shore marine" (Clark et al. 2005) | |
Taphonomy
| Modes of preservation: | body,concretion |
| Degree of concentration: | dispersed |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
| Associated major elements: | all |
| Fragmentation: | occasional |
| Temporal resolution: | snapshot |
Collection methods and comments
| Collection methods: | mechanical,peel or thin section,field collection |
| Reason for describing collection: | general faunal/floral analysis |
| Museum repositories: | MLP | Collection dates: | 1992-1993 |
Metadata
| Database number: | 45325 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano, K. Maguire |
| Modifier: | J. Tennant | Research group: | vertebrate |
| Created: | 2004-10-19 12:02:29 | Last modified: | 2013-03-21 12:16:29 |
| Access level: | the public | Released: | 2004-10-19 12:02:29 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 11792. | ETE | J. I. Noriega and C. P. Tambussi. 1995. A Late Cretaceous Presbyornithidae (Aves: Anseriformes) from Vega Island, Antarctic Peninsula: paleobiogeographic implications. Ameghiniana 32(1):57-61 [M. Carrano/M. Carrano/J. Alroy] |
Secondary references:
| 17312 | ETE | J. A. Clarke, C. P. Tambussi, J. I. Noriega, G. M. Erickson, and R. A. Ketcham. 2005. Definitive fossil evidence for the extant avian radiation in the Cretaceous. Nature 433(20):305-308 [M. Carrano/K. Maguire/J. Alroy] |