Alasphaera
- Citations total:
- 3
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| original | Early Hauterivian | W.Germany(Niedersachsen) | Keupp,H. Alasphaera caudata, nov.gen et nov.sp., a new Calciodinelloidea from the Lower Cretaceous, (Hautervian), of northwest Germany. | 1979 | |
| details | Hauterivian | Early Albian | W.Germany(Niedersachsen) | Keupp,H. Calcigonellum Deflandre 1948 and Echinodinella n. gen. (calcareous dinoflagellate cysts) from the Lower Cretaceous of northwest Germany. | 1980 |
| details | Nd | Nd | Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. | 1998 |