Author:
Cramer,F.H.;Diez-Cramer,M.D.C.R.
Year:
1970
Title:
Acritarchs from the Lower Silurian Neahga Formation, Niagara Peninsula, North America.
Reference:
Cramer,F.H. et al. (1970) Acritarchs from the Lower Silurian Neahga Formation, Niagara Peninsula, North America. Canadian Journal of Earth Sciences Vol. 7 # 4 P. 1077- 1085
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Genus Species Country(Region) From To
Comasphaeridium Comasphaeridium williereae Canada(Ontario) Early Gothlandian
Cymatiosphaera Cymatiosphaera wenlockia New York Early Gothlandian
Cymatiosphaera Cymatiosphaera wenlockia Canada(Ontario) Early Gothlandian
Dictyotidium Dictyotidium sp New York Early Gothlandian
Dictyotidium Dictyotidium sp Canada(Ontario) Early Gothlandian
Eupoikilofusa Eupoikilofusa striatifera New York Early Gothlandian
Eupoikilofusa Eupoikilofusa striatifera Canada(Ontario) Early Gothlandian
Geron Geron guerillerus New York Early Gothlandian
Geron Geron guerillerus Canada(Ontario) Early Gothlandian
Leiofusa Leiofusa tumida New York Early Gothlandian
Leiofusa Leiofusa tumida Canada(Ontario) Early Gothlandian
Lophosphaeridium Lophosphaeridium Canada(Ontario) Early Gothlandian
Lophosphaeridium Lophosphaeridium sp New York Early Gothlandian
Micrhystridium Micrhystridium formosum New York Early Gothlandian
Micrhystridium Micrhystridium formosum Canada(Ontario) Early Gothlandian
Micrhystridium Micrhystridium inconspicuum New York Early Gothlandian
Micrhystridium Micrhystridium inconspicuum Canada(Ontario) Early Gothlandian