Author:
Wood,G.D.
Year:
1984
Title:
A stratigraphic, paleoecologic and paleobiogeographic review of the acritarchs Umbellasphaeridium deflandrei and Umbellasphaeridium saharicum. (In: Biostratigraphy. P.K.Sutherland and W.L.Manger, editors)
Reference:
Wood,G.D. (1984) A stratigraphic, paleoecologic and paleobiogeographic review of the acritarchs Umbellasphaeridium deflandrei and Umbellasphaeridium saharicum. (In: Biostratigraphy. P.K.Sutherland and W.L.Manger, editors) CongrЁs International de Stratigraphie et de G©ologie du CarbonifЁre,Compte Rendu,Neuvieme Vol. 2 P. 191- 211
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Genus Species Country(Region) From To
Umbellasphaeridium Umbellasphaeridium saharicum Ohio Famennian
Umbellasphaeridium Umbellasphaeridium saharicum Canada(Ontario) Tournaisian
Vallatisporites Vallatisporites pusillites Ohio Famennian
Vallatisporites Vallatisporites pusillites Michigan Tournaisian
Vallatisporites Vallatisporites pusillites Canada(Ontario) Tournaisian
Veryhachium Veryhachium stelligerum Peru Frasnian
Veryhachium Veryhachium trispinosum Ohio Famennian
Veryhachium Veryhachium trispinosum Michigan Tournaisian
Veryhachium Veryhachium trispinosum Canada(Ontario) Tournaisian