| original |
Llandeilian |
|
France(Finistere) |
Deunff,J. Aremoricanium, new genus of Hystrichosphere from the Silurian of Brittany. |
1955 |
| details |
Ashgillian |
|
Bulgaria |
Kalvacheva,R.K. Acritarch stratigraphy of Lower Paleozoic formations in the West Balkan Mountains, Bulgaria. |
1978 |
| details |
Silurian |
|
France |
Deunff,J. Recent progress in the knowledge of fossil microplankton, especially Hystrichospheres, of the Paleozoic Seas |
1956 |
| details |
Silurian |
|
England |
Rudavskaya,V.A. Palaeozoic Hystrichospheres. |
1969 |
| details |
Middle Ordovician |
|
Oklahoma |
Loeblich,A.R.,Jr. et al. North American species of the Ordovician acritarch genus Aremoricanium. |
1971 |
| details |
Ordovician |
|
France |
Sheshegova,L.I. The acritarchs of the Paleozoic. |
1971 |
| details |
Llandeilian |
|
France |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |
| details |
Llandoverian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Paleozoic |
|
Nd |
Sarjeant,W.A.S. Fossil algae and modern rock-dating. |
1963 |
| details |
Caradocian |
|
France(Finistere) |
Deunff,J. Planktonic microorganisms of the Breton Paleozoic. 1. The Ordovician of Veryhach (Crozon Peninsula). |
1959 |
| details |
Llanvirnian |
Caradocian |
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. |
1974 |
| details |
Llanvirnian |
|
E.Germany |
Burmann,G. The Ordovician of the northern Phyllite zone |
1973 |
| details |
Ludlovian |
|
USSR(Tuvinskaya A.O.) |
Sheshegova,L.I. Phytoplankton of the Silurian from the Tuva, (the section of the "Elegest"). |
1975 |
| details |
Ordovician |
|
France |
Babin,C. et al. The Ordovician of the Armoricain Massif (France). (In:The Ordovician System. M.G.Bassett, editor) |
1976 |
| details |
Late Llanvirnian |
|
E.Germany(Rostock) |
Burmann,G. Further organic microfossils from the Lower Ordovician. |
1970 |
| details |
Nd |
|
Nd |
Strother,P.K. Acritarchs. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Llanvirnian |
|
Tunisia |
Vecoli,M. et al. Palynostratigraphy of Upper Cambrian-upper Ordovician intracratonic clastic sequences, North Africa. |
1999 |