Home > Invertebrates > Shells > Periwinkles > Allochroa layardi

Updated 2/6/2026

Family Ellobiidae

INDO-WEST PACIFIC / HAWAII

Allochroa layardi



Kapoho Point, Oahu, 6mm

Kapoho Point, Kailua, Oahu

 

LAYARD'S ALLOCHROA

Locally common under stones or in dark crevices in the splash zone and high intertidal near freshwater seeps.  Stout, 6 whorls, with variable spiral grooves and axial striae, and a wider aperture than Allochroa bronnii.  Attains 0.3 inch, 8mm.  Mauritius to Japan, Hawaii, and Pitcairn.