Valvisporites auritus (Zerndt) Bhardwaj from the Anna Shale Member, Carbondale Formation, Kewanee Group, southern Illinois.
Reference:
Gastaldo,R.A. (1980)
Valvisporites auritus (Zerndt) Bhardwaj from the Anna Shale Member, Carbondale Formation, Kewanee Group, southern Illinois. Geological Society of America, Abstracts with Program, Annual Meeting
Vol. 12 # 4 P. 177- 177