| original |
Early Cambrian |
|
USSR(Russian Platform) |
Naumova,S.N. Spore complexes of the Riphean and Lower Cambrian in the USSR |
1961 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Early Cambrian |
|
USSR(Estonian SSR) |
Norris,G. et al. A descriptive index of genera of fossil Dinophyceae and acritarcha. |
1965 |
| details |
Early Cambrian |
|
USSR(Estonian SSR) |
Sheshegova,L.I. The acritarchs of the Paleozoic. |
1971 |
| details |
Nd |
|
Nd |
Braman,D.R. et al. The spore genus Archaeoperisaccus and its occurrence within the Upper Devonian Imperial Formation, District of MacKenzie, Canada. |
1985 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |