Bulbella sphaerinaeformis
- Citations total:
- 2
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| original | Early Cretaceous | USSR(Omskaya Oblast) | Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous | 1949 | |
| details | Barremian | Mongolian Republic | Malyavkina,V.S. Spores and pollen of the Lower Cretaceous of the eastern Gobi Depression. | 1958 |