Class Hirudinea Lamarck, 1818 - leeches see Subclass Hirudinida Subclass Euhirudinea Lukin, 1956 - true leeches see Subclass Hirudinida Order Arhynchobdellida Blanchard, 1894 Suborder Erpobdelliformes Family Erpobdellidae Blanchard, 1894 Genus Mooreobdella Pawlowski, 1955 Mooreobdella melanostoma Sawyer & Shelley, 1976 see Erpobdella melanostoma (Sawyer & Shelley, 1976)