Dialidae, common name dialids, is a family of sea snails, marine gastropod molluscs in the superfamily Cerithioidea .
According to the taxonomy of the Gastropoda by Bouchet & Rocroi (2005), the family Dialidae has no subfamilies.
Genera Genus within the family Dialidae include: Diala A. Adams, 1861 - type genus of the family Dialidae, synonym: Laevitesta Laseron, 1950 † Glosia Cossmann, 1921: extinct genus that belongs to the Neotaenioglossa Mellitestea Laseron, 1956 Paradiala Laseron, 1956 † Rissoalaba Oyama, 1954 Gbif : Rissoalaba
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