Cleistosphaeridium sp.B Davi.,1983
- Citations total:
- 1
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| original | Berriasian | Valanginian | USSR(Siberia) | Shulgina,N.I. et al. Distribution of ammonites, foraminifera and dinoflagellate cysts in the Lower Cretaceous reference sections of Khatanga Basin, and Boreal Valanginian biogeography. | 1994 |