| original |
Caradocian |
|
France(Finistere) |
Deunff,J. Planktonic microorganisms of the Breton Paleozoic. 1. The Ordovician of Veryhach (Crozon Peninsula). |
1959 |
| details |
Caradocian |
|
France(Finistere) |
Downie,C. et al. On the interpretation and status of some Hystrichosphere genera. |
1963 |
| details |
Caradocian |
|
France(Finistere) |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Llandeilian |
|
Wales(Carmarthenshire) |
Turner,R.E. Acritarchs from the type area of the Ordovician Llandeilo series, South Wales. |
1985 |
| details |
Caradocian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |