1.
Devonian and Carboniferous dendroid graptolites from Belgium and their significance for the taxonomy of the Dendroidea
2.
3.
4.
5.
Flora and fauna from a new Famennian (Upper Devonian) locality at Becco, eastern Belgium ; Flore et faune d'un nouveau gisement famennien (Dévonien supérieur) à Becco, est de la Be...
6.
7.
8.
9.