A revision of the New Zealand landsnails referred to Allodiscus Pilsbry, 1892 and Pseudallodiscus Climo, 1971, with the introduction of three new genera (Mollusca: Gastropoda: Charopidae). Tuhinga Records of the Museum of New Zealand Te Papa Tongarewa, 19 2008: 57-167. 137 [Zoological Record Volume 145]