Microdomatidae is an extinct family of fossil sea snails, marine gastropod mollusks in the superfamily Trochoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
This family consists of two following subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005):
Genera within the family Microdomatidae include:
Subfamily Microdomatinae:[1]
Subfamily Decorospirinae:
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