Author:
Burbridge,P.P.;Felix,C.J.
Year:
1976
Title:
Stratigraphic and morphologic development in the devolopment in the spore genus Spencerisporites.
Reference:
Burbridge,P.P. et al. (1976) Stratigraphic and morphologic development in the devolopment in the spore genus Spencerisporites. Geoscience and Man Vol. 15 P. 87- 94
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Genus Species Country(Region) From To
Spencerisporites Spencerisporites gracilis Kansas Westphalian D
Spencerisporites Spencerisporites gracilis Illinois Stephanian B Stephanian C
Spencerisporites Spencerisporites gracilis sp. nov. Illinois Stephanian
Spencerisporites Spencerisporites radiatus N.Ireland(Antrim) Dinantian
Spencerisporites Spencerisporites radiatus N.Ireland(Antrim) Namurian A
Spencerisporites Spencerisporites radiatus England(Yorkshire) Namurian B
Spencerisporites Spencerisporites radiatus Oklahoma Westphalian A
Spencerisporites Spencerisporites radiatus Kentucky Westphalian C