Deuxième note sur les Rugueux coloniaux de l’Eifelien supérieur et de la base du Givetien à Wellin (bord sud du Bassin de Dinant, Belgique)

The following species are described herein: _ Neomphyma delicata n. sp. and Lyrielasma mutabilis (TSYGANKO,1977) from the Upper Eifelian; _ Thamnophyllum schouppei SCRUTTON, 1968 from the top of theEifelian; _ Centristela fasciculata TSYGANKO, 1967, Beugniesastraea conili n.sp., Columnaria intermedia n. sp., Neomphyma delicata and Lyrielasma sp. A from the base of the Givetian. Moreover, the correlations between the sections of Wellin and Resteigneemphasize the diachronism present at the base of the Givet Limestone.