| Planaxidae, Cassiopidae, Batillariidae, Hipponicidae|
Diastomatidae 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 Diastomatidae has no subfamilies.
Genera in the family Diastomatidae include:Aneurychilus Cossmann, 1889
Diastoma Deshayes, 1850 - type genus of the family Diastomatidae, the type species of this genus is extinct† Diastoma acuminiense Cossmann, 1882 or Diastoma acumininense Cossmann, 1882
† Diastoma costellatum (Lamarck, 1804) - type species, from Eocene of the Paris Basin
† Diastoma elaenia Olsson, 1929
† Diastoma elongatum Brongniart, 1823
† Diastoma insulaemaris Pilsbry & Harbison, 1933
Diastoma melanioides (Reeve, 1849) - it is the only extant species of this family
† Diastoma multispiratum Cossmann, 1881
† Diastoma roncanum (Brongniart)
† Diastoma sameri Abbass, 1967
† Ewekoroia Adegoke, 1977 - the type species of this genus is extinct
(Text) CC BY-SA