Calamophyton
- Citations total:
- 2
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| details | Devonian | Iowa | Norton,N.J. Palynomorphs from the Solan Member of the Cedar Valley Limestone of Iowa. | 1967 | |
| details | Middle Devonian | Nd | Edwards,D. et al. In situ, pollen and spores in plant evolution. 14A -Review of in situ, spores in early land plants. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) | 1996 |