Period: 84-66 million years ago, Maastrichtian of the late Cretaceous period.
Place: North America, Canada, and Mexico.
Length: 40-60 feet (12.2-18.4 meters). Maybe up to 64 feet (19.6 meters).
Skull Length: 1.47-182.9 meters. (Based on "Stan" and TK-52760)
Weight: 7.4-9.7 tons (Based on CM 9380 and "Scotty"). Maybe more.
Diet: Carnivore.
Specimens:
1. CM 9380 (Originally AMNH 973) (Holotype):
Femur: 136.0 cm.
Maxilla: 78.5 cm.
Weight: 7.4 tons.
Sex: Female.
Age: 22-26.
2. AMNH 5027:
Dentary: 94 cm.
Age: 21-23.
Sex: Male.
3. FMNH PR 2081 (Originally BHI 2033) ("Sue"):
Humerus: 39 cm.
Femur: 143.0 cm.
Maxilla: 86 cm.
Dentary: 101 cm.
Skull: 163.2 cm.
Weight: 9.3 tons.
Sex: Presumably female, but "Sue's" sex is unknown.
Age: 28-33.
4. RGM 792.000 ("Trix"):
Length: 43 feet (13.1 meters).
Tibia: 119.5 cm.
Skull (Complete): 159 cm.
Maxilla: 83 cm.
Weight: 8.0 tons, maybe more. I think she might be up to 9.0+ tons.
Sex: Female.
Age: 30.
5. UWBM 99000 ("Tufts-Love Rex"):
Length: 40 feet (12.3 meters).
Dentary: 91.4 cm.
Age: 15-22.
6. "Z-Rex"/"Samson":
Length: 42 feet (12.9 meters).
Femur: 136.0 cm.
Sex: Female.
Age: 23.
7. BHI 3033 ("Stan"):
Length: 40 feet (12.2 meters).
Maxilla: 76 cm.
Dentary: 91 cm.
Skull: 1.47 meters.
Femur: 130.0 cm.
Sex: Male.
Age: 18.
8. RSM 2523.8 ("Scotty"):
Length: 46 feet (14.1 meters).
Femur: 148.5 cm.
Dentary Tooth Row: 57.3 cm.
Weight: 9.7 tons.
Sex: Female.
Age: 22-30+ years old.
9. MOR 980 ("Peck's Rex"/"Rigby Rex"/"T.rex imperator"):
Length: 47 feet (14.3 meters).
Dentary Tooth Row: 58 cm.
Sex: Male.
Age: 21-25.
10. LACM 23844:
Length: 47 feet (14.3 meters).
Dentary: 101 cm (Medial) (Incomplete).
Dentary Tooth Row: 58 cm (Medial).
Sex: Male.
Age: 22-26.
11. MOR 555 ("Wankel Rex"/"Nation's Rex"):
Length: 40 feet (12.2 meters).
Femur: 130.0 cm.
Skull: 147.3 cm.
Sex: Male.
Age: 25.
12. HMNS 2006.1743.01/BHI 6230 ("Wyrex"):
Length: 41 feet (12.5 meters) (Including the tail).
Femur: 132.7 cm.
Sex: Male.
Age: 18.
13. MB.R.91216 ("Tristan Otto"):
Length: 41 feet (12.4 meters).
Length: 48 feet (14.5 meters). (Based only on a toe bone though)
Pedal Phalanx III-2: 17 cm.
27. 24-Inch Humerus:
Length: 70 feet (21.3 meters).
Humerus: 61 cm.
28. 19-Inch Humerus:
Length: 56 feet (16.9 meters).
Humerus: 48.3 cm (At best) (Incomplete).
29. SDSM 12047:
Length: 46 feet (13.9 meters).
Dentary: 103 cm.
Age: 22-24.
30. TE-077:
Length: 36 feet (11.0 meters).
Dentary: 82.1 cm.
31. MOR 690:
Length: 44 feet (13.5 meters).
Humerus: 38.6 cm.
32. "Lee Rex":
Length: 40 feet (12.2 meters).
Femur: 130 cm.
33. "Hank":
Length: 41 feet (12.6 meters).
Femur: 133.4 cm.
Humerus: 35.6 cm.
34. AMNH 3982 (previously "Manospondylus gigas"):
Length: 38 feet (11.6 meters).
35. BHI 4182 ("Foxy" or "County Rex"):
Length: 40 feet (12.2 meters).
Dentary: 91.0 cm.
36. 33-cm Humerus:
Length: 38 feet (11.7 meters).
Humerus: 33 cm.
37. TK-52760:
Length: 50 feet (15.3 meters).
Skull: 182.9 cm.
38. 147-cm Skull:
Length: 40 feet (12.2 meters).
Skull: 147 cm.
39. TE-076:
Length: 39 feet (11.8 meters).
Skull: 142.2 cm.
40. CM 9401:
Length: 41 feet (12.5 meters).
41: TMP 1981.000.0028:
Length: 40 feet (12.3 meters).
Femur: 131 cm.
42. 23-cm Pes Claw:
44. 9.5-inch Foot Claw (24.1 cm):
Links:
Length:
https://psdinosaurs.blogspot.com/2019/08/size-calculations-for-tyrannosaurus-rex.html
Link 2:
https://psdinosaurs.blogspot.com/2018/10/calculations-for-largest-theropods.html
Time:
International Commission of Stratigraphy Website:
https://stratigraphy.org/news/130
Other Info:
https://psdinosaurs.blogspot.com/2017/09/tyrannosaurus-rex-facts.html
Dentary: 101 cm.
Skull: 163.2 cm.
Weight: 9.3 tons.
Sex: Presumably female, but "Sue's" sex is unknown.
Age: 28-33.
4. RGM 792.000 ("Trix"):
Tibia: 119.5 cm.
Skull (Complete): 159 cm.
Maxilla: 83 cm.
Weight: 8.0 tons, maybe more. I think she might be up to 9.0+ tons.
Sex: Female.
Age: 30.
5. UWBM 99000 ("Tufts-Love Rex"):
Dentary: 91.4 cm.
Age: 15-22.
6. "Z-Rex"/"Samson":
Femur: 136.0 cm.
Sex: Female.
Age: 23.
7. BHI 3033 ("Stan"):
Maxilla: 76 cm.
Dentary: 91 cm.
Skull: 1.47 meters.
Femur: 130.0 cm.
Sex: Male.
Age: 18.
8. RSM 2523.8 ("Scotty"):
Femur: 148.5 cm.
Dentary Tooth Row: 57.3 cm.
Weight: 9.7 tons.
Sex: Female.
Age: 22-30+ years old.
9. MOR 980 ("Peck's Rex"/"Rigby Rex"/"T.rex imperator"):
Dentary Tooth Row: 58 cm.
Sex: Male.
Age: 21-25.
10. LACM 23844:
Dentary: 101 cm (Medial) (Incomplete).
Dentary Tooth Row: 58 cm (Medial).
Sex: Male.
Age: 22-26.
11. MOR 555 ("Wankel Rex"/"Nation's Rex"):
Femur: 130.0 cm.
Skull: 147.3 cm.
Sex: Male.
Age: 25.
12. HMNS 2006.1743.01/BHI 6230 ("Wyrex"):
Femur: 132.7 cm.
Sex: Male.
Age: 18.
13. MB.R.91216 ("Tristan Otto"):
Maxilla: 77 cm.
14. RTMP 81.12.1. (Formerly NMC 9950) ("Huxley Rex"):
Length: 43 feet (13.0 meters).
Tibiae: 118.0 cm.
Sex: Male.
Age: 22.
15. UCMP 118742:
Length: 45 feet (13.8 meters).
Maxilla: 87.5 cm.
Age: 16-26.
16. MOR 008:
Length: 48 feet (14.5 meters).
Skull: 173.8 cm.
14. RTMP 81.12.1. (Formerly NMC 9950) ("Huxley Rex"):
Tibiae: 118.0 cm.
Sex: Male.
Age: 22.
15. UCMP 118742:
Maxilla: 87.5 cm.
Age: 16-26.
16. MOR 008:
Skull: 173.8 cm.
Sex: Female.
Age: 22-26.
17. MOR 1126 ("Celeste Rex"):
Length: 64 feet (19.6 meters)(?).
Pedal Phalanx II-2: 23 cm.
18. UCMP 137538:
Length: 59 feet (17.5 meters)(?).
Pedal phalanx IV-2: 18.4 cm.
19. RTMP 81.6.1/TMP 1981.006.0001 ("Black Beauty"):
Length: 37 feet (11.4 meters).
Femur: 1.21 meters.
Sex: Female.
Age: 18.
20. BHI 4100 ("Duffy"):
Length: 32 feet (9.7 meters).
Skull Length: 117.0 cm.
Age: 21.
Sex: Male.
21. UMNH 11000 (or UMNH.VP.11000):
Length: 33 feet (9.9 meters).
Age: 26.
22. NMMNH P-1013-1/NMMNH P-3698 ("Elephant Butte T-Rex"):
Length: 61 feet (18.6 meters).
Dentary Tooth Row: 75.5 cm.
Age: 24.
23. BHI 6231:
Length: 42 feet (12.7 meters).
24. BMNH R7794/(?)NHMUK R7994 (formerly AMNH 5866/"Dynamosaurus imperiosus"):
Length: 50 feet (15.2 meters).
Dentary Tooth Row: 61.8 cm.
(?)Age: 24.
25. MOR 1125 ("B-Rex"):
Length: 35 feet (10.8 meters).
Femur: 115.0 cm.
Age: 18-19.
26. YPM VP 057488(B):
Age: 22-26.
17. MOR 1126 ("Celeste Rex"):
Pedal Phalanx II-2: 23 cm.
18. UCMP 137538:
Pedal phalanx IV-2: 18.4 cm.
19. RTMP 81.6.1/TMP 1981.006.0001 ("Black Beauty"):
Femur: 1.21 meters.
Sex: Female.
Age: 18.
20. BHI 4100 ("Duffy"):
Skull Length: 117.0 cm.
Age: 21.
Sex: Male.
21. UMNH 11000 (or UMNH.VP.11000):
Age: 26.
22. NMMNH P-1013-1/NMMNH P-3698 ("Elephant Butte T-Rex"):
Dentary Tooth Row: 75.5 cm.
Age: 24.
23. BHI 6231:
Length: 42 feet (12.7 meters).
24. BMNH R7794/(?)NHMUK R7994 (formerly AMNH 5866/"Dynamosaurus imperiosus"):
Dentary Tooth Row: 61.8 cm.
(?)Age: 24.
25. MOR 1125 ("B-Rex"):
Femur: 115.0 cm.
Age: 18-19.
26. YPM VP 057488(B):
Pedal Phalanx III-2: 17 cm.
27. 24-Inch Humerus:
Humerus: 61 cm.
28. 19-Inch Humerus:
Humerus: 48.3 cm (At best) (Incomplete).
29. SDSM 12047:
Dentary: 103 cm.
Age: 22-24.
30. TE-077:
Dentary: 82.1 cm.
31. MOR 690:
Humerus: 38.6 cm.
32. "Lee Rex":
Femur: 130 cm.
33. "Hank":
Femur: 133.4 cm.
Humerus: 35.6 cm.
34. AMNH 3982 (previously "Manospondylus gigas"):
35. BHI 4182 ("Foxy" or "County Rex"):
Dentary: 91.0 cm.
36. 33-cm Humerus:
Humerus: 33 cm.
37. TK-52760:
Skull: 182.9 cm.
38. 147-cm Skull:
Skull: 147 cm.
39. TE-076:
Skull: 142.2 cm.
41: TMP 1981.000.0028:
Length: 40 feet (12.3 meters).
Femur: 131 cm.
42. 23-cm Pes Claw:
Length: 51 feet (15.6 meters).
43. 14.5-cm Thumb Claw:
Length: 58 feet (17.7 meters).
44. 9.5-inch Foot Claw (24.1 cm):
Length: 54 feet (16.3 meters).
45. YPM VP 057488(A):
Length: 66 feet (20.0 meters).
Pedal Phalanx II-2: 23.5 cm.
Pedal Phalanx II-2: 23.5 cm.
Length:
https://psdinosaurs.blogspot.com/2019/08/size-calculations-for-tyrannosaurus-rex.html
Link 2:
https://psdinosaurs.blogspot.com/2018/10/calculations-for-largest-theropods.html
Time:
International Chronostratigraphic Chart (2020):
https://stratigraphy.org/timescale/International Commission of Stratigraphy Website:
https://stratigraphy.org/news/130
Other Info:
https://psdinosaurs.blogspot.com/2017/09/tyrannosaurus-rex-facts.html
