1.

Giant scaphitid ammonites from the Maastrichtian of Europe

1.

The ammonite fauna of the type Maastrichtian with a revision of Ammonites colligatus BINKHORST, 1861

2.

The ammonite fauna of the type Maastrichtian with a revision of Ammonites colligatus BINKHORST, 1861

3.

The ammonite fauna of the type Maastrichtian with a revision of Ammonites colligatus BINKHORST, 1861

1.

Stratigraphic interpretation of the Thermae boreholes (Valkenburg a/d Geul, The Netherlands

1.

Sur le synchronisme du système hervier de la province de Liège et de la craie blanche moyenne du Hainaut

1.

Late Cretaceous Limea (Pseudolimea) species of Europe

2.

Late Cretaceous Limea (Pseudolimea) species of Europe

3.

Late Cretaceous Limea (Pseudolimea) species of Europe