Operculati
- Citations total:
- 4
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| details | Nd | Nd | M©dus,J. Morphological study of pollen grains belonging to the Circumpolles (Pflug) Klaus Group in the Jurassic of the Western Aqitaine. | 1969 | |
| details | Nd | Nd | Bharadwaj,D.C. A classification for sporae dispersae. | 1975 | |
| details | Late Triassic | Hungary | Kedves,M. Contributions to the knowledge of the Upper Paleozoic and Lower Mesozoic spore-pollen assemblages of Hungary | 1965 | |
| details | Cretaceous | India | Venkatachala,B.S. Mesozoic Operculate pollen and their morphology. | 1966 |