A key to the world genera and a checklist of the world species for the family Polleniidae, including distributions, are provided. The following taxonomic and nomenclatural changes are proposed:Nitellia hermoniellaLehrer, 2007 =Pollenia mediterraneaGrunin, 1966,syn. nov.,Pollenia bentaliaLehrer, 2007 =Pollenia semicinereaVilleneuve, 1911,syn. nov.,Dasypoda angustifronsJacentkovský, 1941 =Pollenia tenuiforcepsSéguy, 1928,syn. nov.;AnthracomyzaMalloch, 1928,resurrected name(monotypic; type speciesAnthracomyia atratulaMalloch) is considered a valid name and tentatively assigned to Polleniidae, givingAnthracomyza atratula(Malloch, 1927) as aresurrected combination;Morinia crassitarsis(Villeneuve, 1936),stat. rev.is considered a valid species, andMicronitelliaEnderlein, 1936,stat. nov.is considered an available name.