Preactiniidae

{{Short description|Family of sea anemones}}

{{Automatic taxobox

| image = Preactis_millardae02.jpg

| image_caption = The walking anemone, Preactis millardae

| taxon = Preactiniidae

| authority = England in England & Robson, 1984{{cite WoRMS |author=Daphne Fautin |year=2010 |title=Preactiidae |id=266937 |accessdate=January 20, 2012}}

| subdivision_ranks = Genera

| subdivision =

• Dactylanthus
• Dactylanthus antarcticus (Clubb, 1908){{cite WoRMS |year=2010 |title=Dactylanthus |id=267367 |accessdate=January 20, 2012}}
• Preactis
• Preactis millardae England in England & Robson, 1984{{cite WoRMS |year=2010 |title=Preactis |id=267766 |accessdate=January 20, 2012}}

}}

Preactiniidae is a family of sea anemones in the order Actiniaria The family contains two species in two monotypic genera.