Cirratriradites sp.F
- Citations total:
- 2
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| original | Middle Siegenian | Late Siegenian | Libya | Massa,D. et al. Stratigraphic and palynological synthesis of the Devonian system in Western Libya. | 1976 |
| original | Gedinnian | Siegenian | Belgium | Steemans,P. Stratigraphical study of the spores in the Gedinnian - Siegenian Transition Beds at Nonceveux and Spa, (Belgium). | 1981 |