HelicarionoideaHelicarionoidea is a superfamily of air-breathing land snails and semi-slugs, terrestrial pulmonate gastropod mollusks in the infraorder Limacoidei.FamiliesThere are three families within the superfamily Helicarionoidea: Helicarionidae Ariophantidae UrocyclidaeCladogramThe following cladogram shows the phylogenic relationships of this family to other families within the limacoid clade:GeneraGenera of helicarionoids unassigned to families include:Pseudosaphtia de Winter, 2008Saphtia de Winter, 2008Vanmolia de Winter, 2008