Author:
Stubblefield,S.P.;Rothwell,G.W.;Taylor,T.N.
Year:
1984
Title:
Conostoma williamsonii, n.sp., a Lagenostomalean ovule from the Pennsylvannian of the Illinois Basin.
Reference:
Stubblefield,S.P. et al. (1984) Conostoma williamsonii, n.sp., a Lagenostomalean ovule from the Pennsylvannian of the Illinois Basin. Canadian Journal of Botany Vol. 62 # 1 P. 96- 101
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Genus Species Country(Region) From To
Elaterites Elaterites Illinois Middle Pennsylvanian
Elaterites Elaterites Kentucky Middle Pennsylvanian
Lycospora Lycospora Illinois Middle Pennsylvanian
Lycospora Lycospora Kentucky Middle Pennsylvanian