Cerithium tenellum

{{Short description|Species of gastropod}}

{{Use dmy dates|date=March 2021}}

{{Speciesbox

| image = Cerithium tenellum 002.jpg

| image_caption =

| taxon = Cerithium tenellum

| authority = G.B. Sowerby II, 1855

| synonyms_ref =

| synonyms = Cerithium (Clypeomorus) tenellum G.B. Sowerby II, 1855
Cerithium (Thericium) mysterium Hedley, 1917
Cerithium filosum G.B. Sowerby II, 1865
Cerithium mysterium Hedley, 1917
Cerithium novaehiberniae A. Adams in G.B. Sowerby II, 1855
Cerithium tenuifilosum G.B. Sowerby II, 1866
Cerithium tomlini Hedley, 1914

}}

Cerithium tenellum is a species of sea snail, a marine gastropod mollusk in the family Cerithiidae.{{WRMS species|473116|Cerithium tenellum G.B. Sowerby II, 1855||17 May 2010}}