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| details | Wenlockian | Nd | Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. | 1990 | |
| details | Wenlockian | Ludlovian | Spain | Robardet,M. et al. The Ordovician, Silurian and Devonian sedimentary rocks of the Ossa-Morena Zone (SW Iberian Peninsula, Spain). | 2004 |