The Isachsen Formation is a geologic formation in Nunavut. It preserves fossils of Polycotylidae indet., dating back to the Aptian stage of the Cretaceous period.
| Isachsen Formation | |
|---|---|
| Stratigraphic range: Aptian ~ | |
| Type | Formation |
| Sub-units | Walker Island member |
| Overlies | Christopher Formation |
| Location | |
| Coordinates | 76°06′N 109°00′W / 76.1°N 109.0°W |
| Approximate paleocoordinates | 71°30′N 20°30′W / 71.5°N 20.5°W |
| Region | Nunavut |
| Country |  Canada |
  Isachsen Formation (Canada)  Isachsen Formation (Nunavut) | |
See also
editReferences
editFurther reading
edit- M. J. Vavrek, B. C. Wilhelm, E. E. Maxwell and H. C. E. Larsson. 2014. Arctic plesiosaurs from the Lower Cretaceous of Melville Island, Nunavut, Canada. Cretaceous Research 50:273-281
External links
edit- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 25 March 2022. Retrieved 17 December 2021.
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