Cryptogemma quentinensis is a species of sea snail in the family Turridae.

(Original description) The small, solid shell is white under an olivaceous periostracum.

The suture is distinct, bordered by a rounded ridge on each side.

The axial sculpture consists of strong retractive wrinkles at the suture, which become arcuate nodulous riblets on the fasciole and dwindle protractively in front of it.

[2] This marine species occurs off Cape San Quentin, Lower California.