Cominella glandiformis

{{Short description|Species of gastropod}}

{{Redirect|Mud whelk|the mollusc found on the east coast of Australia|Pyrazus ebeninus}}

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

{{Speciesbox

| image = Cominella_glandiformis_01.JPG

| image_caption =

| genus = Cominella

| species = glandiformis

| authority = (Reeve, 1847)

}}

Cominella glandiformis, the mud whelk or mud-flat whelk, is a species of predatory sea snail, a marine gastropod mollusc in the family Cominellidae. It is endemic to New Zealand.Powell A W B, New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 {{ISBN|0-00-216906-1}}