Costifer

{{Short description|Genus of sponges}}

{{Automatic taxobox

| parent_authority = Schrammen, 1924

| taxon = Costifer

| authority = Wilson, 1925

}}

Costifer is a genus in the monotypic family Isoraphiniidae{{BioRef|WoRMS|title=Isoraphiniidae Schrammen, 1924|id=171107|db=Porifera}} of sea sponges,{{BioRef|WoRMS |title=Costifer Wilson, 1925 |id=171108 |db=Porifera}} and was first described by Henry Van Peters Wilson in 1925.Wilson, H. V. (1925). [https://www.marinespecies.org/aphia.php?p=sourceget&id=8597 Silicious and horny sponges collected by the U.S. Fisheries Steamer ‘Albatross’ during the Philippine Expedition,1907-10. pp. 273-532, pls 37-52.] In: Contributions to the biology of the Philippine Archipelago and adjacent regions. Bulletin of the United States National Museum, 100 (2, part 4).