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Twin Mountains, Alberta, Canada

FormationTwin Mountains
Age:72.1 - 66.0 Ma
Late/Upper Cretaceous
IntervalMaastrichtian
Lithologysiltstone
Number of Collections1
Number of Occurrences6

Recorded Sample Locations

LocationRegionStratigraphic Name
reservoir spillway near Spring CouleeAlberta, CanadaTwin Mountains

Recorded Fossils

Accepted NameHierarchyAge
Arecaceae
family
5Plantae : Tracheophyta : Liliopsida : Arecales : Arecaceae72.1 - 66 Ma
Late/Upper Cretaceous
Hydropteris pinnata
species
7Hydropteridiaceae : Hydropteris : Hydropteris pinnata72.1 - 66 Ma
Late/Upper Cretaceous
Cupressaceae
family
5Plantae : Tracheophyta : Pinopsida : Pinales : Cupressaceae72.1 - 66 Ma
Late/Upper Cretaceous
Magnoliopsida
class
3Plantae : Tracheophyta : Magnoliopsida72.1 - 66 Ma
Late/Upper Cretaceous
Quereuxia sp.
genus
6Plantae : Spermatophyta : Magnoliopsida : Quereuxia72.1 - 66 Ma
Late/Upper Cretaceous

References

Rothwell G. W., Stockey R. A. (1994) The Role of Hydropteris pinnata gen. et. sp. nov. In Reconstructing the cladistics of Heterosporous Ferns, American Journal of Botany 81 4, 479-492
Stockey R. A., Rothwell G. W. (1997) The aquatic angiosperm Trapago angulata from the Upper Cretaceous (Maastrichtian) St. Mary River Formation of Southern Alberta, International Journal of Plant Sciences 158 1, 83-94
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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