Calamospora ovata
- Citations total:
- 3
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| original | Westphalian A | Westphalian B | Poland | Karczewska,J. Carboniferous spores from the Chelmi Boring (Eastern Poland). | 1967 |
| details | Carboniferous | Poland | Jachowicz,A. Flora of the Carboniferous:Microflora | 1972 | |
| details | Westphalian A | Poland | Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. | 1980 |