Dayia shirleyi ALVAREZ & RACHEBOEUF, 1986, un brachiopode silurien dans les "Schistes de Mondrepuis" à Muno (sud de la Belgique)

At Muno, on the northern border of the Givonne Anticlinorium, numerous Dayia shirleyi ALVAREZ & RACHEBOEUF, 1986 occur in the lower part of the "Shales of Mondrepuis" overlying the "Conglomerate of Pepin", base of the Gedinnian. The presence of this brachiopod indicates that the lower part of the Lower Gedinnian at Muno is of Silurian (Prídolí) age.