06 Austrominius modestus

06 Austrominius modestus

Diameter 5 mm. Operculum shut, but tergoscutal flaps partially exposed; pale grey with wide white rim (1), and micropyle (2) open. Two juveniles, under 1 mm diameter, on wall plates (3).
On Fucus spiralis on sea wall near MHW, Mersey Estuary. October 2010.