The Givetian-Frasnian boundary in pre-Sahara Morocco - 1985
Corals from the Devonian-Carboniferous boundary at La Serre (Montagne Noire, France) - 1988
The Frasnian/Famennian boundary GSSP at Coumiac, southern France - 2000
The Devonian of France: a tentative tie with the GSSP of the Devonian stages - 2000
The basal Emsian GSSP in Zinzil'ban Gorge, Uzbekistan - 2000