Snow Hill Island Formation
| Snow Hill Island Formation Stratigraphic range: Late Campanian.[1] | |
|---|---|
| Type | Geological formation |
| Unit of | Marambio Group |
| Underlies | Lopez de Bertodano Formation |
| Overlies | Santa Marta Formation |
| Location | |
| Region | James Ross Island, Antarctica |
The Snow Hill Island Formation is a Late Cretaceous geologic formation found on James Ross Island, Antarctica. Dromaeosaur[2] remains have been recovered from it, as well as the ornithopods Trinisaura and Morrosaurus.
See also
References
- ↑ Pirrie, D.; Crame, J. A.; Lomas, S. A.; Riding, J. B. (1997). "Late Cretaceous stratigraphy of the Admiralty Sound region, James Ross Basin, Antarctica". Cretaceous Research. 18 (1): 109–137. doi:10.1006/cres.1996.0052.
- ↑ Case, J.A., Martin, J.E. and Reguero, M. (2007) A dromaeosaur from the Maastrichtian of James Ross Island and the Late Cretaceous Antarctic dinosaur fauna. U.S. Geological Survey and The National Academies; USGS OF-2007-1047, Short Research Paper 083
| Cretaceous Period | |
|---|---|
| Lower/Early Cretaceous | Upper/Late Cretaceous |
| Berriasian | Valanginian | Hauterivian Barremian| Aptian | Albian |
Cenomanian | Turonian | Coniacian Santonian |Campanian | Maastrichtian |
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