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Author - title
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| original | Nd | USSR(Tyumenskaya Oblast) | Bolkhovitina,N.A. Fossil and contemporaneous spores of the Family Schizaeaceae. | 1961 | |
| details | Barremian | Aptian | USSR(Far East) | Bolkhovitina,N.A. Fossil and contemporaneous spores of the Family Schizaeaceae. | 1961 |