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 cymosum Indiana Late Frasnian Early Famennian
Veryhachium Veryhachium downiei Canada(Ontario) Late Siegenian Middle Givetian
Veryhachium Veryhachium duodeciaster Canada(Alberta) Frasnian
Veryhachium Veryhachium eisenackii Canada(Ontario) Eifelian Givetian
Veryhachium Veryhachium europaeum Ohio Givetian
Veryhachium Veryhachium exasperatum Canada(Ontario) Eifelian Givetian
Veryhachium Veryhachium florigerum Canada(Ontario) Eifelian Givetian
Veryhachium Veryhachium hebetatum Canada(Ontario) Eifelian Givetian
Veryhachium Veryhachium heterogonum Canada(Ontario) Eifelian Givetian
Veryhachium Veryhachium improcerum Indiana Late Frasnian Early Famennian
Veryhachium Veryhachium laevatum Canada(Ontario) Eifelian Givetian
Veryhachium Veryhachium lairdii Canada(Ontario) Late Siegenian Early Emsian
Veryhachium Veryhachium lairdii Canada(Ontario) Late Eifelian Givetian
Veryhachium Veryhachium lairdii Ohio Givetian
Veryhachium Veryhachium libratum Ohio Eifelian Givetian
Veryhachium Veryhachium libratum Canada(Ontario) Eifelian Givetian
Veryhachium Veryhachium mamillatum Canada(Ontario) Eifelian Givetian