Opuntia sp
- Citations total:
- 2
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| details | Early Oligocene | China(Shansi) | Sung,T.C. Sporo-pollen complex of the upper part of the Yuanchu Series, Yuanchu, Shansi. | 1959 | |
| details | Late Eocene | USSR(Kazakh SSR) | Zaklinskaya,E.D. Spore-pollen spectra of the Upper Eocene of northern Priaral | 1954 |