Pterotosphaerula aliculata
- Citations total:
- 3
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| original | Late Ludlovian | Early Gedinnian | Spain | Cramer,F.H. Palynology of Silurian and Devonian rocks in northwest Spain. | 1966 |
| details | Late Llandoverian | Early Gedinnian | Spain | Cramer,F.H. Consideration on the palynology and Silurian paleolatitudes based on microplankton of the Cantabrian Mountains of the Northwest of Spain. | 1969 |
| details | Late Ludlovian | Early Gedinnian | Nd | Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. | 1990 |