Muricopsis (Muricopsis) cristata, common name Blainville's muricop, is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.

[1] The fossil record dates back to the Pliocene (age range: from 3.6 to 2.588 million years ago).

[3] Size, color and morphology are very variable.

The whorls have a variable number of more or less prominent varices showing foliaceous or spinose projections.

[4] This quite common species ioccurs in the Mediterranean Sea, in the Atlantic Ocean off Portugal, Morocco and the Canaries and in the Red Sea.