ABSTRACTPart 3 of the monograph on the articulate brachiopods from the Wenlock Series (Silurian) of the Welsh Borderland and South Wales describes members of the super-families Eichwaldiacea, Plectambonitacea, Davidsoniacea and Strophomenacea. 22 species and subspecies, of which 6 are new, are assigned to 10 genera and subgenera, and their geographical and stratigraphical distributions are outlined.