Heliacus sterkii (Pilsbry &
7 mm shell diameter (Severns, 2000).
of this species are flat and brown, blotched with
cream. They may be distinguished from the shells of
by their darker color, more numerous marginal brown
spots and the presence of three cords on the margin.
The animal is translucent gray with black and
are moderately common in beach drift. Live animals
are occasionally found in shallow rocky habitats.
Maui, Kauai and French Frigate Shoals.
It's probably also listed as Heliacus sp. in Severns, 2011 (the
shell illustrated under that name appears to be a
worn H. sterkii).
CP: Airport Beach, Maui; Oct. 31, 2007.