Clionaidae

{{Short description|Family of sponges}}

{{Automatic taxobox

| image = Entobia Modern.jpg

| image_caption = Modern clionaid borings in an oyster shell

| taxon = Clionaidae

| authority = d'Orbigny, 1851

| subdivision_ranks = Genera

| subdivision = See text

| synonyms = * Clionidae d'Orbigny, 1851

}}

Clionaidae is a family of ectoparasitic demosponges which are found worldwide.{{cite WoRMS |author=van Soest, R. |year=2013 |title=Clionaidae d'Orbigny, 1851|db=Clionaidae|id=170417|accessdate=September 30, 2013}} This group of sponges are well known for boring holes in calcareous material such as mollusc shells and coral skeletons, using both chemical and mechanical processes.Brusca, R.C. & Brusca, G.J. 2002. Invertebrates Second Edition Sinauer Associates. {{ISBN|0-87893-097-3}}Hooper J.N & van Soest R.W.M.(eds). 2002. Systema Porifera: A Guide to the Classification of Sponges Kluwer Academic/Plenum Publishers, New York