Sagdoidea
Introduction '''Sagdoidea''' is a superfamily of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the infraorder Helicoidei  of the suborder Helicina.
Families * Sagdidae Pilsbry, 1895* Solaropsidae H. Nordsieck, 1986* Zachrysiidae D. G. Robinson, Sei & Rosenberg, 2017
References * Bouchet P., Rocroi J.P., Hausdorf B., Kaim A., Kano Y., Nützel A., Parkhaev P., Schrödl M. & Strong E.E. (2017). Revised classification, nomenclator and typification of gastropod and monoplacophoran families. Malacologia. 61(1-2): 1-526.