Umbraculidae are a taxonomic family of unusual sea snails or limpets, marine opisthobranch gastropod molluscs in the clade Umbraculida. Distribution This family has a global distribution in tropical and subtropical seas. Genera Genera within the family Umbraculidae include: Spiricella Rang, 1828 Umbraculum Schumacher, 1817 Genera brought into synonymy Gastroplax Blainville, 1819: synonym of Umbraculum Schumacher, 1817 Umbrella Lamarck, 1819: synonym of Umbraculum Schumacher, 1817 References Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 Taxonomicon info