The Tellarite cruiser was a Federation heavy cruiser starship type operated by the Tellarites. The Tellarites bought these ships from Arkonian ship-builders since at least the 22nd century. By the 23rd century, these were replaced by the technologically advanced Tellarite heavy cruiser. (ENT episode: "United", ENT - Rise of the Federation novel: Tower of Babel, TOS - Burden of Knowledge comic: "A Matter of Perspective")