1.
Description des Échinides crétacés de la Belgique, principalement de ceux conservés au Musée royal de Bruxelles: II. Echinides de l'étage Sénonien
Hemiaster (Leymeriaster) eluvialis , a new echinoid from the late Maastrichtian of NE Belgium and SE Netherlands
2.
A Pygasteroid Echinoid from Cenomanian strata in the Mons Basin (Belgium)
Description des Echinides crétacés de la Belgique, principalement de ceux conservés au Musée royal de Bruxelles: I. Etude monographique sur le Genre Echinocorys
The origin of 'tauw', an enigmatic building stone of the Mergelland: a case study of the Hesbaye region, southwest of Maastricht (Belgium)
The genus Temnocidaris (Echinoidea, Cidaroida) in the Upper Cretaceous and Lower Tertiary of the Maastricht Area (Belgium and The Netherlands)
An overview of Late Cretaceous and Early Palaeogene echinoderm faunas from Liege-Limburg (Belgium, The Netherlands)
Late campanian belemnite faunas from Liège - Limburg (Ne Belgium, se Netherlands)