Cycadofilicales
- Citations total:
- 3
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| details | Nd | Nd | Potonie,R. Position of the Paleozoic spore genera in the natural system. | 1954 | |
| details | Early Triassic | USSR(Siberia) | Romanovskaya,G.M. Triassic and Jurassic spore-pollen assemblages of the Asiatic Part of the USSR (from the Urals to Yenesie). (In: Stratigraphy and Paleontology of Mesozoic and Paleogene-Neogene Continental deposits of the Asiatic Part of the USSR.) | 1967 | |
| details | Mesozoic | Nd | Frederiksen,N.O. Significance of monosulcate pollen abundance in Mesozoic sediments. | 1980 |