2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/63316In this paper the detailed classification of three-dimensional exceptional canonical hypersurface singularities which don't satisfy the condition of well-formedness is given. This result completes the classification of three-dimensional exceptional log canonical hypersurface singularities started in [4] (math.AG 0201025).Latex2e, 45 pages, using supertabular.styAlgebraic Geometrytext