Author:
Pancost,R.D.;Freeman,K.H.;Patzkowsky,M.E.
Year:
1999
Title:
Organic-matter source variation and the expression of a Late Middle Ordovician carbon isotope eccursion.
Reference:
Pancost,R.D. et al. (1999) Organic-matter source variation and the expression of a Late Middle Ordovician carbon isotope eccursion. Geology Vol. 27 # 11 P. 1015- 1018
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Genus Species Country(Region) From To
Botryococcus Botryococcus braunii Iowa Middle Caradocian
Gloeocapsamorpha Gloeocapsamorpha prisca Iowa Middle Caradocian