Author:
Wicander,R.
Year:
1983
Title:
A catalogue and biostratigraphic distribution of North American Devonian acritarchs.
Reference:
Wicander,R. (1983) A catalogue and biostratigraphic distribution of North American Devonian acritarchs. American Association of Stratigraphic Palynologists, Contributions Series # 10 P. 1- 133
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Genus Species Country(Region) From To
Veryhachium Veryhachium trispinosum Canada(Ontario) Late Eifelian Middle Givetian
Veryhachium Veryhachium trispinosum Ohio Givetian Mississippian
Veryhachium Veryhachium trispinosum Canada(Alberta) Frasnian
Veryhachium Veryhachium trispinosum Canada(Alberta) Late Famennian Mississippian
Veryhachium Veryhachium trispinosum Canada(Saskatchewan) Late Famennian Mississippian
Veryhachium Veryhachium trispinosum Canada(NWT) Late Famennian Mississippian
Veryhachium Veryhachium urens Ohio Eifelian Givetian
Veryhachium Veryhachium velatum Canada(Ontario) Eifelian Givetian
Villosacapsula Villosacapsula rosendae Ohio Givetian