Medullina pachydermata
- Citations total:
- 2
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| original | Early Cretaceous | USSR(Krasnoyarsk Kray) | Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous | 1949 | |
| details | Early Cretaceous | USSR(Krasnoyarsk Kra | Fensome,R.A. Miospores from the Jurassic-Cretaceous boundary beds, Aklavik Range, Northwest Territories, Canada. (Incorporating taxonomic reviews of several Groups of Mid-Late Mesozoic miospores) | 1983 |