Bivetopsia rugosa

{{Short description|Species of gastropod}}

{{Use dmy dates|date=December 2023}}

{{Speciesbox

| image = Trigonostoma rugosum.JPG

| image_caption = Apertural view of shell of Bivetopsia rugosa

| genus = Bivetopsia

| species = rugosum

| authority = (Lamarck, 1822)

| synonyms_ref =

| synonyms =

}}

Bivetopsia rugosum is a species of sea snail, a marine gastropod mollusc in the family Cancellariidae, the nutmeg snails.{{WRMS species|513937|Bivetopsia rugosum (Lamarck, 1822)||10 March 2025}}