"Boavista Cone"
Regarded as a valid species.
Morro de Areia, Boavista Island, Cape Verde
In many locations of Boavista Island, Cape Verde
18 mm
Very small shell and wide, with a slightly angulated shoulder. Spire moderately high, the sutural ramps straight, with spiral striae. Shell color bluish-grey to geeenish, with two bands of light bluish dashes ( one below the central portion of the last whorl and the other between the first one and the shoulder); the dashes are of irregular shape, but usually form oblique or angular lines. Aperture dark bluish, with two light bands.
Radula: wide and broad radular tooth, with the apical portion shorter than half the total length of the tooth. Serration narrow, with 13 to 15 denticles in two rows.
At rocks in shallow water.
C. boavistensis is a bit similar to C. longilineus but the latter has a higher spire, the shell is longer, the shell color is in shades of green, has a different radular tooth and has a different range (Sal Island).