Pyramidella granifera
- Citations total:
- 2
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| original | Late Cretaceous | USSR(Urals) | Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous | 1949 | |
| details | Late Cretaceous | USSR(Urals) | Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 | 1960 |