| details |
Valentian |
|
Algeria |
Deunff,J. et al. Palynoplanktonic correlation in the Cambro-Ordovician of the Sahara |
1961 |
| details |
Ludlovian |
|
France(Manche) |
Deunff,J. et al. The Ludlovian microplankton from the submerged formations of Les Minquiers (Manche), and its place in the distribution of the Silurian paleoplankton. |
1971 |
| details |
Ludlovian |
|
France(Manche) |
Deunff,J. et al. The Ludlovian microplankton from the submerged formations of Les Minquiers (Manche), and its place in the distribution of the Silurian paleoplankton. |
1971 |
| details |
Ludlovian |
|
France(Manche) |
Deunff,J. et al. The Ludlovian microplankton from the submerged formations of Les Minquiers (Manche), and its place in the distribution of the Silurian paleoplankton. |
1971 |
| original |
Ludlovian |
|
France(Manche) |
Deunff,J. et al. The Ludlovian microplankton from the submerged formations of Les Minquiers (Manche), and its place in the distribution of the Silurian paleoplankton. |
1971 |
| original |
Ludlovian |
|
France(Manche) |
Deunff,J. et al. The Ludlovian microplankton from the submerged formations of Les Minquiers (Manche), and its place in the distribution of the Silurian paleoplankton. |
1971 |
| details |
Early Devonian |
|
Brazil(Para) |
de Quadros,L.P. Unpublished occurrence of Ancyrochitina fragilis brevis, (chitinozoa), from the Rio Mapuera Area, Para, Brazil. (In: Paleobotanica e Palinologia na America do Sul; 1987. M.E.E.B. Oliveira-Babinski et al, editors) |
1989 |
| details |
Early Lochkovian |
|
France(Herault) |
de Bock,F.R. Chitinozoa in the Silurian-Devonian Boundary Beds of the southeastern Montagne Noire, (Herault, France). |
1982 |
| details |
Middle Devonian |
|
Brazil(Amazonas) |
da Costa,N.M. Brazilian chitinozoans and their stratigraphic importance |
1971 |
| details |
Early Ludlovian |
Early Gedinnian |
Spain |
Cramer,F.H. et al. Iberian chitinozoans |
1978 |
| details |
Early Ludlovian |
Early Gedinnian |
Spain |
Cramer,F.H. et al. Iberian chitinozoans |
1978 |
| details |
Early Ludlovian |
Devonian |
Spain |
Cramer,F.H. et al. Iberian chitinozoans |
1978 |
| details |
Early Ludlovian |
Early Gedinnian |
Spain |
Cramer,F.H. et al. Iberian chitinozoans |
1978 |
| details |
Early Ludlovian |
Early Gedinnian |
Spain |
Cramer,F.H. et al. Iberian chitinozoans |
1978 |
| details |
Early Ludlovian |
Devonian |
Spain |
Cramer,F.H. et al. Iberian chitinozoans |
1978 |
| details |
Nd |
|
Nd |
Cramer,F.H. et al. Iberian chitinozoans |
1978 |
| details |
Middle Gothlandian |
Late Gothlandian |
Spain |
Cramer,F.H. et al. Taxonomic considerations on the acritarchs of the Middle and Upper Silurian of northern Spain. |
1968 |