Calliotropis crustulum

{{Short description|Species of gastropod}}

{{Use dmy dates|date=January 2024}}

{{Speciesbox

| image =

| image_caption =

| genus = Calliotropis

| species = crustulum

| authority = (Vilvens & Sellanes, 2006){{WRMS source|141106|Vilvens & Sellanes (2006). The Nautilus 120 (1) : 15–20|22 April 2010}}

| synonyms_ref =

| synonyms = *Otukaia crustulum Vilvens & Sellanes, 2006

}}

Calliotropis crustulum is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.{{WRMS species|881077|Calliotropis crustulum (Vilvens & Sellanes, 2006)||9 Jan 2019}} This species occurs off Chile.