Cirratriradites variverrucatus
- Citations total:
- 3
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| original | Early Emsian | Canada(Gaspe Area) | McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.1.Systematics. | 1973 | |
| original | Early Emsian | Canada(Quebec) | McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.1.Systematics. | 1973 | |
| details | Emsian | Canada(Quebec) | McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.11.Biostratigraphy. | 1977 |