Loc. 226, 226-1, 227, Punta Dreadnought [upper Santa Marta Fm]: Campanian, Antarctica
collected by Strelin
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Cephalopoda
- Ammonitida
- Pachydiscidae
|
|||||||
|
Anapachydiscus sp.
Yabe and Shimizu 1926
|
|||||||
| synonym of Menuites | |||||||
|
Cephalopoda
- Ammonitida
- Tetragonitidae
|
|||||||
|
Gaudryceras sp.
de Grossouvre 1894
|
|||||||
|
Bivalvia
- Arcida
- Cucullaeidae
|
|||||||
|
Cucullaea sp.
Lamarck 1801
|
|||||||
|
Bivalvia
- Carditida
- Astartidae
|
|||||||
|
Eriphyla sp.
Gabb 1864
|
|||||||
|
Bivalvia
- Nuculida
- Nuculidae
|
|||||||
|
Nucula (Leionucula) sp.
(Quenstedt 1930)
|
|||||||
| original and current combination Leionucula | |||||||
|
Gastropoda
- Neogastropoda
- Fasciolariidae
|
|||||||
|
Taioma sp.
Finlay and Marwick 1937
|
|||||||
|
Gastropoda
- Naticidae
|
|||||||
|
Eunaticina sp.
Fischer 1885
|
|||||||
| see common names | |||||||
Geography
| Country: | Antarctica |
| Coordinates: | 64.2° South, 57.8° West (view map) |
| Paleocoordinates: | 62.0° South, 68.4° West |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
| Formation: | Santa Marta | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Santa Marta Fm, which regionally overlies the Hidden Lake Fm (Coniacian), and is overlain by the López de Bertodano Fm (Campanian-Maastrichtian). AGE: Campanian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From the upper part of the local section. | |||||
Lithology and environment
| Primary lithology: | lithified siltstone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Predominantly siltstone, based on Fig. 4 of Strelin et al. (1992). LITHIFICATION: Lithified, on the basis of figured specimens. | |
| Environment: | coastal indet. |
| Geology comments: ENVIRONMENT: Shallow siliciclastic marine setting. | |
Taphonomy
| Modes of preservation: | cast,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: | biostratigraphic analysis |
| Collectors: | Strelin |
| Collection method comments: COLLECTOR: J. Strelin, R. A. Scasso, and E. B. Olivero. REPOSITORY: Centro de Investigaciones en Recurso Geologicos (CIRGEO). | |
| Taxonomic list comments:COVERAGE: Exhaustive for ammonoidea. Other taxa may be present, but were not listed in present biostratigraphic treatment. NOMENCLATURE: Not an authoritative publication, but with fairly modern nomenclature. Occurrences lack species-resolution identifications. | |
Metadata
| Database number: | 83565 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2008-08-22 08:53:42 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2008-08-22 08:53:42 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 28034. | J. Strelin, R. A. Scasso, and E. B. Olivero. 1992. Nuevos afloramientos de la Formacion Santa Marta (Cretacio Tardio), en las Isla James Ross, Antartida. Estratigrafia e implcancias estructurales. Geologia de la Isla James Ross 201-237 [A. Hendy/A. Hendy] |