Class Hirudinea Lamarck, 1818 - leeches see Subclass Hirudinida Subclass Euhirudinea Lukin, 1956 - true leeches see Subclass Hirudinida Order Rhynchobdellida Blanchard, 1894 Family Glossiphoniidae Vaillant, 1890 1 Subfamily Glossiphoniinae Johnson, 1816 2 Subfamily Haementeriinae Autrum, 1939 3 Subfamily Theromizinae see Subfamily Theromyzinae Sawyer, 1986