Author:
Gutschick,R.C.;Moreman,W.L.
Year:
1967
Title:
Devonian-Mississippian boundary relations along the Cratonic Margin of the United States.
Reference:
Gutschick,R.C. et al. (1967) Devonian-Mississippian boundary relations along the Cratonic Margin of the United States. International Symposium on the Devonian System Vol. 2 P. 1009- 1023
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Genus Species Country(Region) From To
Hystrichosphaerids Hystrichosphaerids Oklahoma Devonian Mississippian
Leiosphaerids Leiosphaerids Oklahoma Devonian Mississippian
Spore Spore Oklahoma Devonian Mississippian
Tasmanites Tasmanites USA(Mid-Continent) Devonian Mississippian