Author:
Burden,E.T.
Year:
1984
Title:
Terrestrial palynomorph biostratigraphy of the Lower Part of the Mannville Group, (Lower Cretaceous) Alberta and Montana. (In: The Mesozoic of Middle North America. D.F.Stott and D.J.Glass, editors)
Reference:
Burden,E.T. (1984) Terrestrial palynomorph biostratigraphy of the Lower Part of the Mannville Group, (Lower Cretaceous) Alberta and Montana. (In: The Mesozoic of Middle North America. D.F.Stott and D.J.Glass, editors) Canadian Society of Petroleum Geologists,Memoir Vol. 9 P. 249- 269
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Genus Species Country(Region) From To
Veryhachium Veryhachium reductum Canada(Alberta) Late Valanginian Hauterivian
Veryhachium Veryhachium rhomboidium Canada(Alberta) Early Barremian Early Albian