Pityogramma sp
- Citations total:
- 2
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| original | Early Miocene | Costa Rica | Graham,A. Miocene communities and paleoenvironments of Southern Costa Rica | 1987 | |
| details | Meotian | Egrissian | Georgian | Shatilova,I.I. et al. The genus Pteris L. in the Neogene deposits of Western Georgia | 1996 |