As Patella lowei: (Powell, 1973)
Shell of moderate size, up to 56.5 mm. (2,25 inches) in length, ovate, depressed, with the apex towards the anterior third, solid but not very thick, densely sculptured with broadly rounded primary radials and narrow intermediates. The margin is strongly and regularly corrugated, the projections compound and foliated. Colour the exterior being rusty-brown, and the interior dark bluish to reddish brown at the edges, reflecting iridescent blue, and always with a clearcut white spatula. Length 50-56 mm; Width: 44-48 mm; Height: 11-13 mm.