Isachsen Formation
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 ~120–112 Ma | |
|---|---|
| Type | Formation |
| Sub-units | Walker Island member |
| Overlies | Christopher Formation |
| Location | |
| Coordinates | 76.1°N 109.0°W |
| Approximate paleocoordinates | 71.5°N 20.5°W |
| Region | Nunavut |
| Country | .svg.png.webp){kind=small} Canada |
  Isachsen Formation (Canada)  Isachsen Formation (Nunavut) | |
References
Further reading
- 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
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 8 July 2014.
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