Description of this species from Burn, 1989: 749: "Shell small, up to 8 mm in length, slender, trigonal, high anteriorly, narrowly rounded posteriorly, protoconch large and erect, colour yellowish. Body including shell mantle green, sometimes with cream patches along mantle margins and cream speckles on rhinophores; neck and rhinophores slender. This species ranges from south-eastern S.A. and northern Tas. to central Vic., from the lower intertidal to 3 m deep in bays and along the open coast. It occurs on and eats the green algae Caulerpa scalpelliformis, C. geminata and C. cactoides. It has been found only from mid-summer to autumn (January-May)."