The group is much in need of comparative anatomical study, especially in light of the recent expansion of the family Peridiscaceae to include Medusandra, a genus that before 2009 had usually not been placed in Saxifragales.
O grupo precisaría dun estudo de comparativa anatómica, especialmente pola recente expansión da familia Peridiscaceae para incluír Medusandra, un xéneroque antes de 2009 normalmente non se incluía en Saxifragales.