Brittle shell up to 1cm in length. The shell is white or cream in colour but is often translucent. The surface is covered with a brown periostracum? The inside of the shell is white. The surface is sculptured with concentric lines.

Brittle, plump, shell up to 3mm in length. It is cream in colour with yellow brown periostracum. The inside is dull white. The surface of the shell appears decussate due to radiating ribs crossed by concentric lines.

Solid shell up to about 1.5cm in length. The right valve is very much larger than the left. The outside is white tinged with yellow. The inside is also white but tinged with blue, pink or yellow. The surface is sculptured with strong concentric ridges with a few faint radiating lines present on the left valve. The pallial line is faint and shows little indentation for the pallial sinus.

Shell spindle shaped, up to 60mm high. Up to 8 slightly rounded whorls, making the shell slightly turreted. Apex of the shell sharp. Sculpture of numerous spiral ridges and growth lines. Mouth oval, siphonal canal short and broad. Shell white with a bluish or pinkish tinge, covered by a slightly hairy pale yellow periostracum, the hairs may be worn off. A very variable species.

Shell spindle shaped, solidly constructed, up to 70mm high. Whorls, up to 10, only slightly rounded, sculpture of numerous fine spiral ridges and growth lines. Apex of the shell (juvenile shell) a little enlarged. Mouth oval, siphonal canal short and broad. Shell white, covered by a yellowish periostracum, which may be worn in places. A variable species.

Shell solid up to 2.5cm in length. Very colourful often showing shades of white, yellow, pink, purple, red or brown with rays or streaks. Valve surface sculptured with a few solid broad ridges. Siphons are united but split at the tips.

Solid shell up to about 5cm long. Dirty white to pale fawn in colour, sometimes with red brown rays. Pallial sinus small and triangular. Sculpture of concentric ribs which are sometimes broad and flattened and others sharp and foliaceous. Periostracum, if present, is chestnut brown and strongest at the edge of the shell.

Solid shell up to 6.5cm in length. The colour is variable and can include white, red, pink, orange, yellow, green, brown and purple and various shades and patterns of these.The shell surface is sculptured with ribs which possess spines.

Solid shell up to 5cm in length. The outside of the shell is white, yellow or red brown in colour, sometimes with patterns or combinations of these. The surface is sculptured with ribs numbering 30 to 50 in younger specimens to as many as 70 in older individuals. These ribs tend to have spines especially in older animals.

Shell solid, somewhat triangular, up to about 4cm long. Dirty white, cream or pale yellow usually with three red-brown rays. Sculpture of numerous concentric ridges. Periostracum extremely slight and thin. Inside sometimes shows purple stain around the lunule. Inner margin of shell crenulate.