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Thieurrull (translated from Rihannsu as "Hellguard" and also known as 872 Trianguli V) was a planet located in the space of the galaxy's Beta Quadrants, the fifth planet in orbit of the 872 Trianguli star system. Thieurrull was once a Romulan world, a failed colony planet located in the Romulan Neutral Zone. Hellguard was hastily and incompletely evacuated after the "Second Federation Encroachment", and was the birthplace of Saavik. (TOS novel: The Pandora Principle; TOS - Rihannsu novel: The Romulan Way; ST novel: Vulcan's Heart)

In an alternate timeline with similar events, Saavik and a group of other children lived a feral existence on this planet before their discovery by Sarek. (ST - Myriad Universes novel: The Chimes at Midnight)


Template image. This article is a stub relating to a planet, moon or planetoid. You can help our database by expanding on it.

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Romulan planets and planetoids
83 Leonis B V872 Trianguli VAbraxas VAbraxas IXAbraxas PrimeAchernar IIAchernar PrimeAcrux IXAin IAlcyone IIAlgeron IIIArachnaeArtaleirhAssaf GolavAtrius VAvior VIIIB'Lev IBardatBestari XBrozBrutus XBu'Uli Tev IIICeles IIChalChaltok IVChara XCheronChetzia IIIChulConstanthusCor Caroli IXCor Caroli VCortCorvus VIIICrateris colonyDevoras planetDidacti IVDiWahnD'ravasasz IVDrovna IIIEilhaunnElohGarthosGasko IIGemma VIIGibraltarGirgaGlintara IGotanna IIIHellguardIzar IVJenjor VIKalabestaszKallionKarrKe Kwanus VKevratasKhazara planetLevaeri VMakarMireMelik VMira Maj VIMirhassaNequencia colonyNew RomulusNimbus IIIPersevus IIIPilum IVPlacidus IIPrimus IVRalatakRator IIIRator IVRemusRhei'llhneRomiiRomulusRotronSadallSadat VISalaHSandal IVSantora PrimeScheat IIIScutulum IIISeginus IISheratan VIISithoiSitula ITalvath colonyTartalusTerix IIThieurrullUnroth IIIVirinatXanitlaZaxx'n VIZevarus Prime Romulan Empire emblem image.
planets visited by the USS Enterprise (NCC-1701) (2273-2285)
James T. Kirk's second five-year mission (2273 - 2278)
2273 EarthNelestraLorinaSherman's PlanetEarthStarbase 16 planetYannid VIAndrea IVOmega IXTuragesMoonsek897-JOJCalibus VIIEarthManliktGrokhShadirToltan colonyForma VIAgena IVTarsus IIZaran IITelosAbarisMycenaStarbase 8 planetBarak VIIHohweyn VIICragon VAndronicusStarbase 28 planetPersephone IISherman's PlanetRakatan
2274 MestikoHus-24Arroool planetSarsithiaVulpecula 12 IVIskoniaHamal IV (Starbase 18) • MimitEarthThoris Amarnis IVZeta-AtezArgus IVCytheriusPhaetonHephaestusZeta Reticuli IIStarbase 9 planetMiaplacidus VValerianGoran IVNordstralHelvaCephalus IV
2275 EarthFlyspeckVulcanFeeniks-Denn IVNova EmpyreaYkoMiri's homeworldPerinda IVOblik IIIGarrus
2276 Sigma 1212Zenna IVDuran XIIShadParides IVLevaeri VArtaleirh
2277 Manark VMurakami IXLycos VVarda IIIMyraKhepriPollox IVUpsilon Xi IIILieberman's WorldMacedon IIIMarris VOmicron Theta VAyin Aleph IIILam Qaf Kha IIKappa Rho IV
2278 CathyGranotoulomines planetHippocrates IVDekkanarMarsAkkallaEarth
Spock's command (2278 - 2285) Bright TreeKaferiaMestikoEarthFortenueCirce IIEarthBelle TerreThieurrullStarbase 12Regula IEarthHellguardEarthDelta IVRatorYkoMestikoEarth
Admiral Kirk's command (2285) EarthRegula IGenesis PlanetAzphariOrganiaBeta Epsilon VIBabelVulcanRomulan planetoidEarthGenesis Planet
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