Brittle, glossy shell up to about 5cm in length. It is cream in colour with a purple tint and brown radiating rays. The inside is white or purple. The pallial sinus is relatively deep.

Glossy shell up to about 11cm in length. Creamy white in colour with pale brown radiating rays. The inside is white tinted with pale brown. The surface is sculptured with fine concentric rings and is covered with a satin brown periostracum.

Solid shell up to about 2.5 cm in length. Colour variable including white, yellow and pink, usually with darker concentric bands. Surface smooth and glossy with very fine concentric lines.

Solid shell up to about 13cm in length. The shell gapes at each end. It is white, yellow or fawn in colour and the inside is white. ?The surface of the shell is sculptured with fine concentric rings and ridges?. Pallial sinus is deep. ? Mention V shaped projection?

Solid shell up to about 13cm in length. The shell gapes at each end. It is white, yellow or fawn in colour and the inside is white. The surface of the shell is sculptured with fine concentric rings and ridges. Pallial sinus is deep.

Solid shell up to about 10cm in length. The outside is dirty white in colour; the inside is white. The shell gapes at both ends. The surface is sculptured with fine concentric rings. The pallial sinus is relatively deep.

Thin shell up to 1.5cm in length. The shell is translucent but this is obscured by the dirty white or cream periostracum. The surface of the shell is sculptured with radiating ribs and concentric lines. When alive the animal displays obvious pink tentacles.

Thin shell up to 6mm in length. The shell is white in colour but obscured by cream coloured periostracum. The surface of the shell is sculptured with radiating ribs (the largest of which is the niddle one) and concentric lines.

Thin shell up to 2cm in length. The shell is translucent white in colour. The surface is sculptured with radiating ribs and fine concentric lines.

Thin but solid shell up to 2.5cm in length. It is white to brown in colour tending to be lighter when younger. The surface is sculptured with radiating ribs and concentric lines. When alive it has prominent orange tentacles.