Diastomatidae
Introduction '''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 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* † ''Keilostoma'' Deshayes, 1850
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