1.
The littorinid fauna of the Belgian coast (Mollusca, Gastropoda)
Copepoda Parasitica from the Belgian coast
Portretten van fauna en flora van de Belgische kust: De gewone wenteltrap - Epitonium clathrus (Linnaeus, 1758)
2.
The freeliving marine nemas of the Belgian coast: II. With general remarks on the structure and the system of nemas
Description of the freeliving marine nematode Dracognomus tinae n. sp. Draconematiodea: Prochaetosomatidae