Spherus

The Spherus is a species that evolved on Narrelia 507 million Earth-years ago.

Physical Characteristics
A Spherus's body is a perfect sphere with no appendages. A longitudinal circle around the center of the sphere is covered in rough tread. One mouth is located at the center of each side of the body, with a single eyestalk protruding from the center of each mouth.

Locomotion
The Spherus moves by shifting its body weight to roll along the ground. On a flat surface it can reach speeds of 135 miles per hour.