Trilobots

The Trilobots were a species of Robotic trilobites created by Professor Farnsworth that inhabited the Robo-planetoid during August of 3010. They descended from Nanobots and evolved into Robo-dinosaurs and s. These machines cannibalized the Planet Express ship for metals and attacked the Planet Express crew, forcing them to hide in a cave for protection.

Trivia

 * Their name is a pun on the.