Trochidae – Umboniinae: Ethminolia probabilis Iredale, 1924 (‘May’s top-shell’)
Synonym(s): probabilis Iredale, 1924; mayi Kershaw, 1955.
Typical shell-length 10 mm. Very similar to E. vitiliginea, but umbilicus relatively broad. Lives subtidally amongst seaweed and seagrass. Native. Endemic to southeastern Australia (NSW, TAS and VIC). In Tasmanian waters, this is a rare species confined to the N coast and Bass Strait islands; most likely to be found towards the NE.
Localities for Ethminolia probabilis
Black River Beach: northern end
Black River Beach: southern end
Flinders Island: Fotheringate Bay
Flinders Island: Fotheringate Beach: southern end
Freycinet Peninsula: Wineglass Bay
Greens Beach: main beach
King Island: Surprise Bay
Port Latta: Cowrie Point
South Croppies Point
Stanley: Anthony Beach
Stanley: Tatlows Beach
The Gardens: Swimcart Beach