A central disc is surrounded by a front set of 16 petals.

The central disc is the same to that of the badge.

It has a cup-shaped body with 35-40 arms, extended out from the central disc.

This species has a small central disc, and long, slender arms.

This starfish has a broad central disc, and slender arms.

The central disc has been measured to be 10.5 millimetres.

The central disc is the same as the one on the badge.

They typically have a central disc and five arms, though some species have more than this.

It has a slightly inflated, broad central disc and five short rays.

The two parts of the central disc can also be rotated, together with the attached ring.