Description de deux espèces de Wapitiphyllum McLEAN, R.A. et PEDDER, A.E.H., 1984 récoltées dans le Frasnien de Huccorgne, au bord nord du Bassin de Namur

In the middle part of the Frasnian at Huccorgne, on the northern border of the Namur Synclinorium, the genus Wapitiphyllum McLEAN. R.A. and PEDDER, A.E.H., 1984 is represented by two species unknown up to now elsewhere in Belgium. The genus is used as a replacement name for Donia SOSHKINA, E.D., 1951 homonymous of Donia OUDEMANS. A.C., 1939.