[2] An examination of the soft parts of a species of the genus Gaza, by Dall[3] showed the operculum to be very thin, light brown, and with about seven whorls.

The animal was of a whitish color without any spots or markings, and with very large black eyes set on a good-sized peduncle closely adjacent to and behind the tentacles.

The muzzle is long, narrow, subcylindrical above and transversely expanded at its distal end, which is semi-lunar with a densely papillose surface and fringed edges.

It is composed of brown four-sided translucent prismatic rodlets which give under the microscope a reticular marking of diamond-shaped spots to the surface of the jaw.

7), except that the bases of the rhachidian and lateral teeth are subcircular, and on a few of the scythe-shaped cusps of the numerous uncini (= the small teeth-like or hook-like structures on the radula) are a few denticles.