Every Tyrannosaurid, explained.

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Published 2024-06-29
Tyrannosaurus rex is a name we're all familiar with, it's the most popular dinosaur and is most likely the one that introduced us to the wonderful world of paleontology. But do you know that T. rex isn't the only Tyrannosaur? Tyrannosaurus, Daspletosaurus, Gorgosaurus and others are all members of the Tyrannosauridae family.

The Tyrannosauridae comprises of 18 genera of tetanuran theropod dinosaurs, but some of which are no longer a valid taxon and some others have disputed validity.

All 18 genera of those dinosaurs, however, are included in this video. Listed and explained one by one from the smallest in size all the way up to the largest.

Sources and Credits: docs.google.com/document/d/1QHQEAXwTHzlk7zcpUjXe8g…

Support Factor Trace: www.patreon.com/FactorTrace

Contour maps via Axis maps: contours.axismaps.com/

All Comments (21)
  • @FactorTrace
    19:15 is supposed to say "Hell Creek Formation, 66 MYA". It completely missed my eyes. Thank you everyone for pointing out!
  • @titan133760
    Fun Fact: If we go by the rules of nomenclature, Tyrannosaurus rex should have been named Manospondylus gigas as Edward Drinker Cope was the first to give the latter name when he found Tyrannosaurus fossils in 1892, 13 years before Henry Fairfield Osborn gave the name Tyrannosaurus rex. But because Tyrannosaurus rex proved to be the more popular name and that Manospondylus gigas has not appeared in scientific literature for over 50 years since its introduction, the latter name has since been declared nomen oblitum (forgotten name). By extension, Tyrannosaurus rex is now considered nomen protectum (protected name). This goes to show you that even paleontologists aren't immune to "rule of cool"
  • @David-ni5hj
    Other Tyrannosaurs: "Le typical fast predator with a good bite and sharp senses" T Rex: DOOM SLAYER
  • @concamon1364
    The fact that Tyrannosaurus had the most powerful bite of any land carnivore, and its prey were STILL able to shrug it off, survive the fight, and recover is insane. I think a similar video for Hadrosaurs and Ceratopsians is overdue!
  • Paleontologists: We discovered a new micro species of Tyrannosaurid! Adult version: Hold my beer
  • @Tishan_Habib
    Gonna be one heck of a list, but I'd suggest doing Carcharodontosaurids next. (PLEASE I BEGG)
  • I absolutely adore how paleontologists seem to be on a mission to give tyrannosaurids the edgiest names imagineable. Death reaper? Gore king? Dreadful lizard? Monstrous murderer? Terrible tooth? Bistahi destroyer? My inner child is celebrating.
  • your criminally underated, the quality of your videos are impeccable. please never stop uploading
  • He's done Spinosauridae. He's done Tyrannosauridae. Now please you have to do Carcharodontosauridae
  • @CalebJMartin
    0:00 - Start 0:14 - Cladistics 1:26 - Raptorex 2:21 - Nanotyrannus 4:33 - Aublysodon 5:00 - Deinodon 5:25 - Alioramus 6:14 - Nanuqsaurus 7:01 - Lythronax 7:34 - Qianzhousaurus 8:18 - Teratophoneus 8:50 - Thanatotheristes 9:18 - Albertosaurus 10:29 - Gorgosaurus 11:59 - Dynamoterror 12:20 - Bistahieversor 12:56 - Daspletosaurus 14:46 - Zhuchengtyrannus 15:20 - Tarbosaurus 16:47 - Tyrannosaurus Thank you for all the research and hard work that went into this video! Really well done
  • @aswan2460
    "is by far the edgiest dinosaur name i've ever heard" "sounds like the name of a metal band made by highschoolers, but okay"
  • @Zhulz
    Bro, as a person who just started researching and working with dinosaurs, I can say that your videos are amazing Good job!
  • @dier7144
    I feel that it is worth mentioning that the validity of qianzhousaurus is still fairly contested as they may simply be an older specimen of alioramus Oh, and also, please consider doing hadrosauria next <3 keep it up
  • Great video! The recent paper that described T. mcraensis actually suggests (in my opinion) that Tarbosaurus should actually be classified as a species of Tyrannosaurus (Tyrannosaurus bataar) as originally envisioned in 1955. I think this because the T. mcraensis paper notes several times that this newly described species appears to share an equal number of characteristics with both T. rex and Tarbosaurus, so if we are to be consistent with our taxonomy, either T. mcraensis should be "upgraded" to its own separate genus (but closely related to Tyrannosaurus) or Tarbosaurus should be absorbed into Tyrannosaurus. Also its worth noting that to this day whether Tarbosaurus is its own genus remains a debate, certain prominent Tyrannosaur experts such as Thomas Carr have always maintained Tarbosaurus as Tyrannosarus bataar. Finally the paleontologists that pushed the idea that Tarbosaurus is its own genus mostly based this on their hypothesis that its actually more closely related to Alioramus then to T. rex and that similarities to T. rex are a result of convergent evolution in both animals achieving "gigantism". Since then new discoveries have shown that Alioramus belongs to its own "tribe" and its not more closely related to Tarbosaurus then T. rex is.
  • Dude i just love your videos! They're so well made, and i can clearly see you did a lot of research to make them (and you used modern studies which is great!). I'm really glad of this series, because i can actually learn more from you for each dinosaur familly and group. We need more people like you, keep it up :)!
  • Tyrannosaurus - The King of the Dinosaurs Tarbosaurus - The Khan of Mongolia Zhuchengtyrannus - China’s Prehistoric Tyrant Daspletosaurus - Fear Incarnate Bistahieversor - The Destroyer Dynamoterror - Terror Incarnate Gorgosaurus - Dreaded Monster Albertosaurus - Ruler of Canada Thanatotheristes - Bringer of Death Terataphoneus - Horror of Kaiparowits Qianzhousaurus - Long Snouted Hunter Lythronax - The Bloodied Tyrant Nanuqsaurus - Terror of the Frozen Tundra Alioramus - Pinocchio Rex
  • You should make an Every carcharodontosaurid, Explained or Every Abelisaurid, Explained video, and also great video
  • fun fact: teratophoneus was in Jurassic World : Fallen Kingdom as a corpse near control center and it's considerd canon in universe
  • @Fletch.
    I would love to see one of these videos for Abelisaurs :D