Sicyoidium opimum
- Citations total:
- 3
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Author - title
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| original | Middle Oligocene | Late Oligocene | China(Kwangsi) | He,C.-Q. Tertiary dinoflagellates and acritarchs from the coastal region of the Beibu Gulf. | 1984 |
| details | Nd | Nd | Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. | 1998 | |
| details | Barremian | Aptian | China(Inner Mongolia) | Lang,Y. et al. Early Cretaceous microphytoplankton from the Eren Basin, Nei Mongol, North China. | 1999 |