Margaritidae is a family of small sea snails, marine gastropod mollusks in the superfamily Trochoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

Margaritinae Thiele, 1924, originally a subfamily in Trochidae was moved to Turbinidae following Williams et al. 2007. It has been elevated to the rank of family Margaritidae. This family has no subfamilies.

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