1. Late Cretaceous palynomorphs from northeastern Arizona;Agasie;Micropaleontology,1969
2. A generic atlas of hamamelidaceous pollens;Bogle;Contributions from the Gray Herbarium,1980
3. Terrestrial palynomorphs of the upper Santonian–lowest Campanian Milk River Formation, southern Alberta, Canada;Braman;Palynology,2001