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Author - title
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Year
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| details | Nd | Nd | Winslow,M.R. Upper Mississippian and Pennsylvanian megaspores and other plant microfossils from Illinois. | 1959 | |
| details | Carboniferous | Poland | Jachowicz,A. Flora of the Carboniferous:Microflora | 1972 | |
| details | Carboniferous | Poland | Jachowicz,A. Flora of the Carboniferous:Microflora | 1972 | |
| details | Westphalian A | Stephanian C | Czechoslovakia | KalibovЎ-KaiserovЎ,M. A study of megaspores from the Nyrany Measures (Westphalian D) of the Bohemian Carboniferous. | 1967 |