Turbonilla mörchi

The posterior third of the exposed portion of the whorls on the spire and a narrow area about the umbilical region are flesh-colored, while the rest of the shell is light chestnut brown.

The exposed portion of the nine whorls of the teleoconch are flattened in the middle, the posterior fourth sloping gently toward the summit, which is closely appressed to the preceding turn.

The whorls are ornamented by strong rather distantly spaced, moderately acute, slightly protractive axial ribs, of which 18 occur upon the first three, 16 on the next three, 18 on the seventh, and 20 upon the penultimate turn.

The base of the shell is marked by 13 continuous incised spiral lines of about equal strength which are much more closely spaced near the umbilicus than the periphery.

[4] This species occurs in the Pacific Ocean off California (San Diego, Catalina Island)