Acritarches du Famennien inférieur à Villers-sur-Lesse (Belgique)

Acritarchs, including Ephelopalla gorkae n. sp., Maranhites ? stockmansii n. sp. and Puteoscortum williereae n. sp., are described from the Evanescirostrum alblinii Zone and the Basilicorhynchus basilicus gerardimontis Zone in the upper part of the Lower Famennian on the southern margin of the Dinant Basin, principally near Villers-sur-Lesse. The three new species, together with Conradidium ? plicatum STOCKMANS, F. et WILLIERE, Y., 1969, Maranhites britoii STOCKMANS, F. et WILLIERE,Y., 1969, Eisenackidium martensianum STOCKMANS, F. et WILLIERE, Y., 1969, et Pterospermella cf. P. heol (DEUNFF, J . , 1966)are restricted to the Lower Famennian