The Aquatic Angiosperm Trapago angulata from the Upper Cretaceous (Maastrichtian) St. Mary River Formation of Southern Alberta
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| Description | article by Ruth A. Stockey & Gar W. Rothwell published January 1997 in International Journal of Plant Sciences |
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author: Gar W. Rothwell Ruth A. Stockey |
| Publication date | January 1997 |
| Language | English |
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