| original |
Silurian |
Devonian |
Africa(Sahara) |
Taugourdeau,P. The Scolecodonts of Silurian, Devonian and Carboniferous of the Saharian Probes, stratigraphy and systematics |
1968 |
| original |
Pragian |
|
France(Mayenne) |
Taugourdeau,P. The Scolecodonts. (In: The Schists and Limestones of the Eodevonian of Saint-Cenere. (In: Massif Armoricain, France. H.Lardeux, editor) |
1976 |
| original |
Middle Frasnian |
|
France(Garonne,Haute) |
Taugourdeau,P. Scolecodonts of the Frasnian of Boulogne |
1971 |
| original |
Givetian |
|
France(Garonne,Haute) |
Taugourdeau,P. Scolecodonts of the Givetian of Boulogne |
1970 |