Snow Hill Island Formation

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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
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.

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  1. ^ 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. 
  2. ^ 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