Author:
Richardson,J.B.
Year:
1975
Title:
Emsian/Eifelian, (incoming of Middle Devonian spores), and Givetian/Frasnian.
Reference:
Richardson,J.B. (1975) Emsian/Eifelian, (incoming of Middle Devonian spores), and Givetian/Frasnian. CIMP Newsletter,Compte-Rendu,CIMP,Meetings,Moscow,1975 P. 9- 9
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Genus Species Country(Region) From To
Calyptosporites Calyptosporites velatus W.Germany(Rhineland) Late Emsian Frasnian
Contagisporites Contagisporites optivus Nd Late Emsian Frasnian
Rhabdosporites Rhabdosporites langii W.Germany(Rhineland) Late Emsian Frasnian
Samarisporites Samarisporites triangulatus Nd Late Emsian Frasnian
Verrucosisporites Verrucosisporites bullatus Nd Late Emsian Frasnian