Author:
Sandberg,C.A.;Streel,M.;Scott,R.A.
Year:
1972
Title:
Comparison between conodont zonations and spore assemblages at the Devonian-Carboniferous boundary in the Western and Central United States and in Europe
Reference:
Sandberg,C.A. et al. (1972) Comparison between conodont zonations and spore assemblages at the Devonian-Carboniferous boundary in the Western and Central United States and in Europe CongrЁs International de Stratigraphie et de G©ologie du CarbonifЁre.Comptes Rendus.7e.Krefeld Vol. 1 P. 179- 203
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Genus Species Country(Region) From To
Vallatisporites Vallatisporites vallatus Montana Frasnian
Vallatisporites Vallatisporites vallatus W.Germany(Rhineland) Frasnian
Vallatisporites Vallatisporites verrucosus Illinois Middle Devonian Late Devonian
Vallatisporites Vallatisporites verrucosus Montana Frasnian
Vallatisporites Vallatisporites verrucosus W.Germany(Rhineland) Frasnian
Veryhachium Veryhachium Montana Frasnian
Veryhachium Veryhachium W.Germany(Rhineland) Frasnian