In 2149, Doctor Phlox attended an IME conference on Tiburon, where he briefly met a member of the Mazarite delegation. Unknown to him at the time, this member was actually a Klingon expert in metagenic research, named Dr. Antaak. The Klingons were not invited to the conference. (ENT: "Affliction")
T'Lor was was established in the script of "The Ship" to be a Tiburonian. 
According to the The Worlds of the Federation, the star that Tiburon orbits was called Omega Fornacis A, and the Tiburonians refer to their world as Simeran. According to Star Trek: Star Charts, (p. 64) Omega Fornacis system was a single star system where the planet was located. Omega Fornacis was a B-class star with a magnitude of +3, which was 1/10 as bright as Sol.