Halichondria arenacea

{{Short description|Species of sponge}}

{{Speciesbox

| taxon = Halichondria arenacea

| authority = (Dendy, 1895)

}}

Halichondria arenacea is a species of sea sponge belonging to the family Halichondriidae.{{Cite web|title=Halichondria (Halichondria) arenacea Dendy 1895 - Encyclopedia of Life|url=https://eol.org/pages/990155|access-date=2020-09-13|website=eol.org}}{{Cite web|title=Halichondria arenacea Dendy, 1895|url=https://www.gbif.org/species/2249925|access-date=2020-09-13|website=www.gbif.org|language=en}}{{Cite web|title=IRMNG - Halichondria arenacea Dendy, 1895|url=https://www.irmng.org/aphia.php?p=taxdetails&id=11320505|access-date=2020-09-13|website=www.irmng.org}}{{Cite web|title=WoRMS - World Register of Marine Species - Halichondria arenacea Dendy, 1895|url=https://www.marinespecies.org/aphia.php?p=taxdetails&id=191411|access-date=2020-09-13|website=www.marinespecies.org}}