Tympanea obducta
- Citations total:
- 2
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| original | Early Jurassic | USSR(Ukrainian SSR) | Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous | 1949 | |
| details | Hettangian | Toarcian | USSR(Urals) | Malyavkina,V.S. Spore and pollen complexes of Mesozoic deposits of the South-East of the Russian Platform (Emba and West Urals) | 1956 |