| original |
Tournaisian |
|
Belgium |
Stockmans,F. et al. Hystrichospheres of the Belgium Devonian (Drilling at the Asylum for the demented at Tournai). |
1962 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Frasnian |
|
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. 2: Index to Parts 1 and 2. |
1977 |
| details |
Late Devonian |
|
USSR(Mountain Altai) |
Sheshegova,L.I. Acritarchs from the Upper Devonian deposits near the village of Solovicha (Gorniy Altai). (In: Paleontological Researches of Siberia. T.F.Vozhennikova, editor) |
1978 |
| details |
Frasnian |
|
Belgium |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystricosphaeres and related microfossils. |
1979 |
| details |
Frasnian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Nd |
|
Nd |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |