Abacum sp
- Citations total:
- 3
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| original | Arenigian | Italy(Sardinia) | Albani,R. Ordovician, (Arenigian) acritarchs from the Solanas Sandstone Formation, Central Sardinia, Italy. | 1989 | |
| details | Nd | Nd | Servais,T. et al. Value and meaning of the term acritarch. (In: Commision Internationale de microflore du Paleozoique (CIMP) Acritarch Subcommision: O.Fatka and T.Servais, editors) | 1996 | |
| details | Early Cambrian | Nd | Steemans,P. Spores and crytospores diversification from the Ordovician to the Lower Devonian. | 1998 |