Cirratriradites trivialis
- Citations total:
- 2
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| details | Early Frasnian | France(Boulonnais) | Taugourdeau-Lantz,J. On the Lower Frasnian microflora of Beaulieu (Boulonnais). | 1960 | |
| details | Middle Frasnian | France(Pas-de-Calais) | Taugourdeau-Lantz,J. Spores from the Frasnian of an authorized region, the Boulonnais. | 1971 |