Terix II was a planet located within the Romulan Star Empire, Romulan subcommander Renka Linavil of the IRW Tomed had a sister and a niece who lived on Terix II in 2346. (ST - The Lost Era novel: Serpents Among the Ruins) In 2381, a rally supporting Vulcan and Romulan reunification was held in Vetruvis on Terix II. Spock was due to speak at the event. (ST - Typhon Pact novel: Rough Beasts of Empire)