Dyson's mangelia
Tenaturris dysoni, common name Dyson's mangelia, is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
The length of the shell varies between 5 mm and 12 mm.
(Original description) The ovate shell has a rather short spire. The whorls are rounded at the upper part, longitudinally very closely finely ribbed, decussated with transverse striae. The ribs, being decussated with striae, have a slightly granular appearance. The sinus is broad. The siphonal canal is almosty lacking. The color of the shell is whitish, encircled with two faint bands of orange brown.
