In Tasmania, this genus includes 10 species, as follows:
Sassia bassi (Bassian rock-whelk) (figure a)
Sassia columnaria (Cape Pillar rock-whelk)
Sassia eburnea (pink-tipped rock-whelk) (figure b)
Sassia epitrema (epitrema rock-whelk) (figure c)
Sassia kampyla (curved rock-whelk) (figure d)
Sassia parkinsoniana (Parkinson’s rock-whelk) (figure e)
Sassia petulans (irritable rock-whelk)
Sassia sexcostata (six-ribbed rock-whelk) (figure f)
Sassia subdistorta (distorted rock-whelk) (figure g
Sassia verrucosa (warted rock-whelk) (figure h)