Author:
Guennel,G.K.;Neavel,R.C.
Year:
1958
Title:
Paper Coal in Indiana
Reference:
Guennel,G.K. et al. (1958) Paper Coal in Indiana Science Vol. 129 P. 1671- 1672
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Genus Species Country(Region) From To
Bicoloria Bicoloria Indiana Late Pottsville
Sphenopteris Sphenopteris bradfordii Indiana Late Pottsville
Sphenopteris Sphenopteris marrati Indiana Late Pottsville
Torispora Torispora Indiana Late Pottsville