Gyrineum lacunatum (Mighels, 1845)

     This species has previously been misidentified as Gyrineum pusillum (Broderip, 1833) with remarkable consistency (Beu, 1998).

Woody Head, New South Wales, Australia (20 mm.)

By diver at a depth of 2-3 meters, Pemba Bay, Mozambique (21 mm.)

(15-25 mm.)