original |
Middle Llandoverian |
|
USSR(Krasnoyarsk Kray) |
Sheshegova,L.I. Silurian acritarchs of the Kuyumba River. (In: The Silurian of the Siberian Platform, sections, fauna and flora of the North West Part of the Tunguska Synclise) |
1982 |
original |
Middle Llandoverian |
|
USSR(Krasnoyarsk Kray) |
Sheshegova,L.I. The acritarchs of the Silurian of the northern Siberian Platform |
1984 |
details |
Llandoverian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |