Inermicosta

{{Short description|Genus of gastropods}}

{{Italic title}}

{{Taxobox

| name = Inermicosta

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| regnum = Animalia

| phylum = Mollusca

| classis = Gastropoda

| unranked_superfamilia = clade Caenogastropoda
clade Hypsogastropoda
clade Neogastropoda

| superfamilia = Muricoidea

| familia = Muricidae

| subfamilia = Ocenebrinae

| genus = Inermicosta

| genus_authority = Jousseaume, 1880{{No-gastropod-genus-ref}}

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Inermicosta is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.{{WRMS species|403846|Inermicosta Jousseaume, 1880||25 April 2010}}