The standard Zylon ship appeared as a sort of inverted V-shape colored in gray, while the more powerful Zylon mothership appeared as a glowing yellow split-orb, the glow caused by Zylon shields.
The standard Zylon ships were simple gray shapes, appearing as either a sort of inverted V-shape or as a Star Wars-like tie fighter shape. The more powerful Zylon mothership appeared as a glowing yellow split-orb, the glow caused by Zylon shields.