Tyrannosaurus is one of the most iconic dinosaurs and is known from numerous specimens, some of which have individually acquired notability due to their scientific significance and media coverage.
Specimen data Publicly accessioned specimens Over 60 specimens of Tyrannosaurus are accessioned into public museums, which are represented by the table below largely based on the following sources: Refer Table 1 and 3 Specimen numberNameCompletenessYear collectedMuseumMuseum cityDiscovererFormationLocation NotesAMNH FARB 3982Manospondylus gigas < 1%1892American Museum of Natural HistoryNew York CityEdward CopeHell Creek FormationFaith, South DakotaDescribed as Manospondylus gigasNHMUK R7994Dynamosaurus imperiosus13%1900Natural History Museum, LondonLondonBarnum BrownLance FormationSeven Mile Creek, WyomingOriginally AMNH 5866Described as Dynamosaurus imperiosus, analysis of the specimen suggests a large individual similar to SueCM 9380Holotype11%1902Carnegie Museum of Natural HistoryPittsburghBarnum BrownRichard LullHell Creek FormationMontanaOriginally AMNH 973CM 140010%1902Carnegie Museum of Natural HistoryPittsburghOlaf PetersonLance FormationWyomingCM 940110%1903Carnegie Museum of Natural HistoryPittsburghJohn Bell HatcherJudith River FormationMontanaPotentially the earliest known specimen of TyrannosaurusAMNH FARB 502748%1908American Museum of Natural HistoryNew York CityBarnum BrownHell Creek FormationMontanaThe base skeleton that was used as the iconic symbol for the famous logo of the Jurassic Park film series.AMNH FARB 50291908American Museum of Natural HistoryNew York CityBarnum BrownHell Creek FormationMontanaAMNH FARB 51171908American Museum of Natural HistoryNew York CityCharles Hazelius SternbergLance FormationWyomingAMNH FARB 50501909American Museum of Natural HistoryNew York CityHell Creek FormationMontanaJuvenile T. rex represented by incomplete dentaryMOR 0021965Museum of the RockiesBozemanHell Creek FormationMontanaLACM 2384425%1966Natural History Museum of Los Angeles CountyLos AngelesHarley GarbaniHell Creek FormationMontanaLACM 23845Dinotyrannus megagracilis12%1967Natural History Museum of Los Angeles CountyLos AngelesHarley GarbaniHell Creek FormationMontanaJuvenile T. rexMOR 00815%1967Museum of the RockiesBozemanWilliam MacMannisHell Creek FormationMontanaAlso known as The Nation's Rex. Specimen on loan to the Smithsonian Institution, with a cast on display at the Museum of the Rockies and the Schiele Museum of Natural History.TMM 41436-1Tyrannosaurus "vannus"1970Texas Memorial MuseumAustinJavelina FormationTexasOne of the potential southernmost record of TyrannosaurusUCMP 1187421977University of California Museum of PaleontologyBerkeleyHell Creek FormationMontanaMMS 51-2004? (before 1978)Science Museum of MinnesotaSaint PaulHell Creek FormationSouth DakotaSDSM 12047"Mud Butte T. rex"1981South Dakota School of Mines and TechnologyRapid CityHell Creek FormationSouth DakotaTMP 1981.012.0001"Huxley T. rex"16%1981Royal Tyrrell Museum of PalaeontologyDrumhellerCharles Mortram SternbergScollard FormationHuxleyTMP 1981.006.0001"Black Beauty"28%1981Royal Tyrrell Museum of PalaeontologyDrumhellerJeff BakerWillow Creek FormationCrowsnest PassOne of the westernmost specimens, found at W longitude. Noted for black colouration taken on during fossilisation.MOR 009"Hager rex"19%1981Museum of the RockiesBozemanMick HagerHell Creek FormationMontanaNMMNH P-3698Tyrannosaurus mcraeensis3%1983New Mexico Museum of Natural History and ScienceAlbuquerqueDonald Staton Joe LaPointHall Lake FormationNew MexicoThe holotype of T. mcraeensis, dating to around 5–7 million years before T. rexUCMP 1315831984University of California Museum of PaleontologyBerkeleyHell Creek FormationMontanaUCMP 1404181984University of California Museum of PaleontologyBerkeleyHell Creek FormationMontanaBDM 050"Bertha"1987Badlands Dinosaur MuseumDickinson, North DakotaLarry LeagueHell Creek FormationNorth DakotaAssociated femur, tibia, fibula. One of the largest known specimens.MOR 555"Wankel rex", "Devil rex"49% (by bone count)1990Museum of the RockiesBozemanKathy WankelHell Creek FormationMontanaAlso known as The Nation's Rex. Specimen on loan to the Smithsonian Institution, with a cast on display at the Museum of the Rockies and the Schiele Museum of Natural History.FMNH PR2081"Sue"73% (by bone count)1990Field Museum of Natural HistoryChicagoSue HendricksonHell Creek FormationSouth DakotaThe largest known specimen at the time of discovery as well as one of the most complete.FMNH PR24111990Field Museum of Natural HistoryChicagoHell Creek FormationSouth DakotaRSM 2347.11991Royal Saskatchewan MuseumEastendFrenchman FormationSaskatchewanDMNH 28274%1992Denver Museum of Nature and ScienceDenverDenver FormationColoradoNHMAD 2020.00001"Stan"63%1992Natural History Museum Abu DhabiAbu DhabiStan SacrisonHell Creek FormationSouth DakotaOne of the best-known specimens, with casts present in numerous institutions. Currently displayed at the Natural History Museum Abu Dhabi which opened in November 22, 2025; whether the specimen is loaned and the ownership of the specimen belongs to a private collector remains uncertain.UWGM 1817%1993UW–Madison Geology MuseumMadison, WisconsinMike PallettHell Creek FormationMontanaUCMP 1405061993University of California Museum of PaleontologyBerkeleyHell Creek FormationMontanaRSM 2523.8"Scotty"65%1994Royal Saskatchewan MuseumEastendRobert GebhardtFrenchman FormationSaskatchewanProposed to be largest known specimen, scientific consensus not yet reached. Exceeds "Sue" in 84.6% of the published bone measurements. Has been estimated to be larger than "Sue" in two published studies.LPD 977-2"Pete"10-15%1995Denver Museum of Nature and ScienceDenverRob PatchusDenver FormationColoradoMOR 980"Montana's T. rex", "Peck's rex", "Peckrex", "Rigby's rex"40%1997Museum of the RockiesBozemanLou TremblayHell Creek FormationMontanaMOR 1126"C-rex", "Celeste"9%2000Museum of the RockiesBozemanCeleste HornerHell Creek FormationMontanaOne of the largest specimens, although size estimation is difficult due to its fragmentary nature.MOR 1131"J-rex"2000Museum of the RockiesBozemanHell Creek FormationMontanaMOR 1128"G-rex", "Greg"8%2001Museum of the RockiesBozemanGreg WilsonHell Creek FormationMontanaMOR 1125"B-rex", "Bob"37%2001Museum of the RockiesBozemanBob HarmonHell Creek FormationMontanaConfirmed as female, due to the presence of medullary bone.MOR 1152"F-rex", "Frank"8%?2001Museum of the RockiesBozemanFrank StewartHell Creek FormationMontanaUMNH 110009% (by bone count)2001Utah Museum of Natural HistorySalt Lake CityQuintin Saharatian Rose L. DifleyNorth Horn FormationUtahThe first reported occurrence of T. rex in UtahUCRC PV1"Rex Jr."20%2001University of Chicago Research CollectionChicagoLance FormationWyomingTCM 2001.90.1"Bucky"34%2001The Children's Museum of IndianapolisIndianapolisBucky DerflingerHell Creek FormationSouth DakotaSpecimen is nearly adult-sized, probably at least 16 years old.BMRP 2001.4.702001Burpee Museum of Natural HistoryRockfordHell Creek FormationMontanaJuvenile T. rex represented by incomplete postcraniumUSNM 7201452002Smithsonian InstitutionWashington, D.C.Hell Creek FormationMontanaMOR 11892002Museum of the RockiesBozemanMick HagerHell Creek FormationMontanaJuvenile T. rex represented by hindlimbHMNS 2006.1743.01"Wyrex"38%2002Houston Museum of Natural ScienceHoustonDan Wells Don WyrickHell Creek FormationMontanaLACM 150167"Thomas"37% (by bone count)2003Natural History Museum of Los Angeles CountyLos AngelesLuis M. ChiappeHell Creek FormationMontanaBMRP 2006.6.42006Burpee Museum of Natural HistoryRockfordHell Creek FormationMontanaDDM 35.12006Dinosaur Discovery MuseumKenoshaHell Creek FormationMontanaJuvenile T. rex represented by incomplete tibiaMOR 28222006Museum of the RockiesBozemanHell Creek FormationMontanaMOR 29252007Museum of the RockiesBozemanHell Creek FormationMontanaRSM 2990.12007Royal Saskatchewan MuseumEastendFrenchman FormationSaskatchewanMOR 30282010Museum of the RockiesBozemanHell Creek FormationMontanaMOR 30442010Museum of the RockiesBozemanHell Creek FormationMontanaMOR 66252010Museum of the RockiesBozemanLee HallHell Creek FormationMontanaTATE 22222011Tate Geological Museum at Casper CollegeCasperLance FormationWyomingMOR 97382012Museum of the RockiesBozemanDenver FowlerHell Creek FormationMontanaDDM 344.12012Dinosaur Discovery MuseumKenoshaHell Creek FormationMontanaJuvenile T. rex represented by frontal boneRGM 792.000"Trix"2013Naturalis Biodiversity CenterLeidenNaturalis Biodiversity Center/Black Hills InstituteHell Creek FormationMontanaOne of the largest known specimens that is also well preserved. Has been stated to be the oldest known specimen but this has not been confirmed.UWBM 99000"Tufts-Love"2015Burke Museum of Natural History and CultureSeattleJason Love Luke TuftsHell Creek FormationMontanaKUVP 1558092015University of Kansas Natural History MuseumLawrenceHell Creek FormationMontanaDDM 1536.82018Dinosaur Discovery MuseumKenoshaHell Creek FormationMontanaJuvenile T. rex represented by frontal boneDDM 1562.142018Dinosaur Discovery MuseumKenoshaHell Creek FormationMontanaJuvenile T. rex represented by first maxillary toothDDM 1863.112019Dinosaur Discovery MuseumKenoshaHell Creek FormationMontanaJuvenile T. rex represented by first maxillary toothDDM 23552022Dinosaur Discovery MuseumKenoshaHell Creek FormationMontanaJuvenile T. rex represented by partial skull and skeletonCarr, T. D. (2022). A reappraisal of tyrannosauroid fossils from the Iren Dabasu Formation (Coniacian–Campanian), Inner Mongolia, People’s Republic of China. Journal of Vertebrate Paleontology, 42(5). https://doi.org/10.1080/02724634.2023.2199817 Privately owned specimens The table below includes specimens that are in private collections and institutions including the Black Hills Institute, or loaned in a public museum but is owned by a private collector. NameCompletenessYear collectedMuseumMuseum cityDiscovererFormationLocation Notes"Samson", "Z-rex", "Mr. Z", "Mr. Zed"40%1992Mike ZimmershiedHell Creek FormationSouth Dakota"Bowman" < 15%1993Pioneer Trails Regional MuseumBowmanDean PearsonHell Creek FormationNorth DakotaUnder the accession number PTRM 4667"Duffy"25%1993Black Hills InstituteHill CityStan SacrisonHell Creek FormationSouth DakotaUnder the accession number BHI 4100"Double-O-Seven", "007"3%1994Black Hills InstituteHill CityBill GarstkaHell Creek FormationNorth DakotaUnder the accession number BHI 6219"Steven"3%1995Black Hills InstituteHill CitySteve SacrisonHell Creek FormationSouth DakotaUnder the accession number BHI 6249"E. D. Cope"10%2000Black Hills InstituteHill CityBucky DerfilingerHell Creek FormationSouth DakotaUnder the accession number BHI 6248"Barbara"2005Auckland War Memorial MuseumAucklandBob HarmonHell Creek FormationMontanaUnder the accession number AWMM-IL2022.21"Baby Bob"2013Robert (Bob) DetrichHell Creek FormationMontanaA juvenile or baby specimen. The discoverers have stated its age to be 4 years based on histology. An attempt was made to sell the specimen on eBay."Titus"2014Craig PfisterHell Creek FormationMontanaThe specimen belongs to a private collector, but 3D-printed replicas of the bones are accessioned in the Nottingham Natural History Museum collection under the accession number NCMG 2021-7Larkin, N.R., Dey, S., Smith, A.S. and Evans, R. 2022. 21st Century Rex: maximising access to a privately owned Tyrannosaurus rex skeleton in the digital age. Geological Curator, 11(6), 341–354."Peter"2018Auckland War Memorial MuseumAucklandDick WillsLance FormationWyomingUnder the accession number AWMM-IL 2022.9"Gus"61% complete by bone count, 75 to 80% complete in terms of bone mass2021-2023 Theropoda ExpeditionsHell Creek FormationSouth DakotaSold at auction for $50.1m in 2026.
Manospondylus: AMNH FARB 3982