Unidentified millipede

This creature is referenced by the Didact while on The Ark. It is approximately 3 meters long and has many legs, and is described as being a "small tank" due to its size and armor plating.

Trivia
This may refer to Arthropleura, an ancestor of the millipede from 340 million years ago.

List of Appearances

 * Halo: Cryptum