Retimonocolpites sp.2 Walk.& Walk.,1984
- Citations total:
- 2
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| original | Late Aptian | Early Albian | Maryland | Walker,J.W. et al. Ultrastructure of Lower Cretaceous angiosperm pollen and the origin and Early evolution of Flowering plants | 1984 |
| original | Late Aptian | Early Albian | Maryland | Kedves,M. Transmission electron microscopy of the fossil angiosperm exines. | 1990 |