Ecionemia

{{Short description|Genus of sponges}}

{{Automatic taxobox

| taxon = Ecionemia

| authority = Bowerbank, 1862

| subdivision_ranks = Species

| subdivision = See text

| synonyms =

• Ecionema [lapsus]
• Hezekia Laubenfels, 1934
• Thalassomora Lendenfeld, 1888

}}

Ecionemia is a genus of sea sponges belonging to the family Ancorinidae.{{ITIS | id = 659249 | taxon = Ecionemia | accessdate = 15 February 2007 }}

This genus is characterized by a high density of siliceous spicules. Members of this genus are known to be eaten by hawksbill turtles.{{cite journal|last=Meylan|first=Anne|author-link=Anne Meylan|date=1988-01-12|title=Spongivory in Hawksbill Turtles: A Diet of Glass|journal=Science|publisher=American Association for the Advancement of Science|volume=239|issue=4838|pages=393–395|doi=10.1126/science.239.4838.393|jstor=1700236|pmid=17836872}}