Dinosaurio River, Santa Marta Cove: Late/Upper Campanian - Early/Lower Maastrichtian, Antarctica
collected by J. M. Lirio 2000
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Mosasauridae
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Lakumasaurus antarcticus n. gen., n. sp.
Novas et al. 2002
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| recombined as Taniwhasaurus antarcticus | ||||||||||
| IAA 2000-JR-FSM-1 - holotype (almost complete and articulated skull with jaws and teeth, rib fragments and isolated vertebrae | ||||||||||
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Chondrichthyes
- Squalomorphii
- Hexanchidae
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Notidanodon sp.
Cappetta 1975
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| Tooth | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Antarctica |
| Coordinates: | 63.9° South, 57.9° West (view map) |
| Paleocoordinates: | 61.8° South, 68.5° West |
| Basis of coordinate: | stated in text |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Key time interval: | Late/Upper Campanian - Early/Lower Maastrichtian | ||
| Age range of interval: | 83.60000 - 66.00000 m.y. ago |
Stratigraphy
| Geological group: | Marambio | Formation: | Snow Hill Island | Member: | Gamma |
| Stratigraphy comments: upper part of Gamma Member
Originally regarded as from the Santa Marta Formation | |||||
Lithology and environment
| Primary lithology: | fine sandstone |
| Includes fossils? | Y |
| Lithology description: Indurated fine sandstone | |
| Environment: | marginal marine indet. |
| Geology comments: "shallow marine" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | selective quarrying,mechanical,field collection | ||
| Rock censused: | 600 cm2 (area) | ||
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | J. M. Lirio | Collection dates: | 2000 |
Metadata
| Also known as: | James Ross Island, Lakumasaurus antarcticus type locality | ||
| Database number: | 115660 | ||
| Authorizer: | P. Mannion | Enterer: | P. Mannion |
| Modifier: | P. Mannion | ||
| Created: | 2011-09-02 23:28:55 | Last modified: | 2023-10-16 07:19:42 |
| Access level: | the public | Released: | 2011-09-02 23:28:55 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 37393. | F. E. Novas, M. Fernández, Z. B. Gasparini, J. M. Lirio, H. J. Nuñez and P. Puerta. 2002. Lakumasaurus antarcticus, n. gen. et sp., a new mosasaur (Reptilia, Squamata) from the Upper Cretaceous of Antarctica. Ameghiniana 39(2):245-249 [P. Mannion/P. Mannion] |