Time Period: Campanian-Maastrichtian of the late Cretaceous period: 84-66 million years ago.
Place: North America, Canada, and Mexico.
Length: 40-70 feet (12.2-21.3 meters).
Allosaurus:
Time Period: Kimmeridgian-Tithonian of the late Jurassic period: 157-145 million years ago.
Place: North America, Europe, and Africa.
Length: 26-44 feet (7.9-13.4 meters).
Mapusaurus:
Time Period: Cenomanian-Coniacian of the early-late Cretaceous period: 101-86 million years ago.
Time Period: Cenomanian-Coniacian of the early-late Cretaceous period: 101-86 million years ago.
Place: South America.
Length: 36-50 feet (10.9-15.3 meters).
Giganotosaurus:
Time Period: Albian of the early-late Cretaceous period: 113-101 million years ago.
Place: South America.
Time Period: Albian of the early-late Cretaceous period: 113-101 million years ago.
Place: South America.
Length: 41-43 feet (12.4-13.1 meters).
Tyrannotitan:
Time Period: Aptian of the early Cretaceous period: 125-113 million years ago.
Place: South America.
Length: 35-42 feet (10.6-12.9 meters).
Carcharodontosaurus:
Time Period: Albian-Cenomanian of the early-late Cretaceous period: 113-94 million years ago.
Place: Africa.
Length: 39-45 feet (11.8-13.8 meters).
Saurophaganax:
Time Period: Kimmeridgian-Tithonian of the late Jurassic period: 152-145 million years ago.
Place: North America.
Length: 28-36 feet (8.4-11.1 meters).
Ceratosaurus:
Time Period: Kimmeridgian-Tithonian of the late Jurassic period: 152-145 million years ago.
Place: North America, Europe, and probably Africa.
Length: 18-31 feet (5.4-9.5 meters).
Spinosaurus:
Time Period: Albian-Cenomanian of the early-late Cretaceous period: 113-94 million years ago.
Place: Africa and South America.
Length: 29-47 feet (8.8-14.2 meters).
Siats:
Time Period: Cenomanian of the late Cretaceous period: 101-94 million years ago.
Place: North America.
Length:
Age: 16 (At best?/My guess): 36 feet (11.0 meters)
Age 18: 37 feet (11.3 meters)(?).
Baryonyx:
Time Period: Barremian-Aptian of the early Cretaceous period: 129-113 million years ago.
Places: Europe and Africa.
Utahraptor:
Time Period: Berriasian-Hauterivian of the early Cretaceous period, 145-129 million years ago.
Place: North America.
Length: 17-18 feet (5.2-5.6 meters).
Dakotaraptor:
Time Period: Maastrichtian of the late Cretaceous period: 72-66 million years ago.
Place: North America.
Length: 13-17 feet (3.8-5.2 meters).
Achillobator:
Time Period: Santonian-Campanian of the late Cretaceous period: 86-72 million years ago.
Place: Asia.
Length: 15 feet (4.7 meters).
Bahariasaurus:
Time Period: Cenomanian of the late Cretaceous period: 101-94 million years ago.
Place: Africa.
Length: 38 feet (11.5 meters).
Acrocanthosaurus:
Time Period: Albian of the early Cretaceous period: 113-101 million years ago.
Place: North America.
Length: 34-39 feet (10.2-12.0 meters).
Deinonychus:
Time Period: Albian of the early Cretaceous period: 113-101 million years ago.
Place: North America.
Length: 10 feet (3.1 meters).
Austroraptor:
Time Period: Maastrichtian of the late Cretaceous period: 72-66 million years ago.
Place: South America.
Length: 17 feet (5.3 meters).
Tarbosaurus:
Time Period: Campanian-Maastrichtian of the late Cretaceous period: 84-66 million years ago. Maybe 65 million years ago.
Place: Asia.
Length: 31-39 feet (9.3-12.0 meters).
Zhuchengtyrannus:
Time Period: Campanian-Maastrichtian of the late Cretaceous period: 84-66 million years ago. Maybe 65 million years ago.
Place: Asia.
Length: 34 feet (10.3 meters).
Carnotaurus:
Time Period: Maastrichtian of the late Cretaceous to Paleocene: 72-66 million years ago.
Place: South America.
Length: 32 feet (9.6 meters).
Pycnonemosaurus:
Time Period: Coniacian of the late Cretaceous period: 90-86 million years ago.
Place: South America.
Length: 27 feet (8.2 meters).
Torvosaurus:
Time Period: Kimmeridgian-Tithonian of the late Jurassic period: 157-145 million years ago.
Place: North America and Europe.
Length: 33-35 feet (10.1-10.7 meters).
Coelophysis:
Time Period: Norian-Toarcian of the late Triassic-early Jurassic: 227-174 million years ago.
Place: North America and Africa.
Length: 5-8 feet (1.5-2.5 meters).
Herrerasaurus:
Time Period: Norian-Rhaetian of the late Triassic period: 227-201 million years ago.
Place: South America.
Length: 11 feet (3.1-3.4 meters).
Eodromaeus:
Time Period: Carnian of the late Triassic period: 237-227 million years ago.
Place: South America.
Length: 8 feet (2.4 meters).
Neovenator:
Time Period: Barremian of the early Cretaceous period: 129-125 million years ago.
Place: Europe.
Length: 30 feet (9.1 meters).
Eotyrannus:
Time Period: Barremian of the early Cretaceous period: 129-125 million years ago.
Place: Europe.
Length: 13 feet (4.0 meters).
Ekrixinatosaurus:
Time Period: Albian-Coniacian of the early-late Cretaceous period: 113-86 million years ago.
Place: South America.
Length: 24 feet (7.2 meters).
Irritator:
Time Period: Aptian of the early Cretaceous period: 125-113 million years ago.
Place: South America.
Length: 22-31 feet (6.8-9.3 meters).
Gnathovorax:
Time: Carnian of the late Triassic period: 237-227 million years ago.
Place: South America.
Length: 10 feet (3.1 meters).
Order of Size:
1. Tyrannosaurus rex: 40-70 feet (12.2-21.3 meters).
2. Mapusaurus: 36-50 feet (10.9-15.3 meters).
3. Spinosaurus: 29-47 feet (8.8-14.2 meters).
4. Carcharodontosaurus: 35-45 feet (10.8-13.8 meters).
Links:
My Dinosaur Lengths:
https://psdinosaurs.blogspot.com/2018/10/calculations-for-largest-theropods.html
Time Periods:
Time Period: Aptian of the early Cretaceous period: 125-113 million years ago.
Place: South America.
Length: 35-42 feet (10.6-12.9 meters).
Carcharodontosaurus:
Time Period: Albian-Cenomanian of the early-late Cretaceous period: 113-94 million years ago.
Place: Africa.
Length: 39-45 feet (11.8-13.8 meters).
Time Period: Kimmeridgian-Tithonian of the late Jurassic period: 152-145 million years ago.
Place: North America.
Length: 28-36 feet (8.4-11.1 meters).
Ceratosaurus:
Time Period: Kimmeridgian-Tithonian of the late Jurassic period: 152-145 million years ago.
Place: North America, Europe, and probably Africa.
Length: 18-31 feet (5.4-9.5 meters).
Spinosaurus:
Time Period: Albian-Cenomanian of the early-late Cretaceous period: 113-94 million years ago.
Place: Africa and South America.
Length: 29-47 feet (8.8-14.2 meters).
Siats:
Time Period: Cenomanian of the late Cretaceous period: 101-94 million years ago.
Place: North America.
Length:
Age: 16 (At best?/My guess): 36 feet (11.0 meters)
Age 18: 37 feet (11.3 meters)(?).
Baryonyx:
Time Period: Barremian-Aptian of the early Cretaceous period: 129-113 million years ago.
Places: Europe and Africa.
Length: 25-33 feet (7.6-10.0 meters).
Utahraptor:
Time Period: Berriasian-Hauterivian of the early Cretaceous period, 145-129 million years ago.
Place: North America.
Length: 17-18 feet (5.2-5.6 meters).
Dakotaraptor:
Time Period: Maastrichtian of the late Cretaceous period: 72-66 million years ago.
Place: North America.
Length: 13-17 feet (3.8-5.2 meters).
Achillobator:
Time Period: Santonian-Campanian of the late Cretaceous period: 86-72 million years ago.
Place: Asia.
Length: 15 feet (4.7 meters).
Bahariasaurus:
Time Period: Cenomanian of the late Cretaceous period: 101-94 million years ago.
Place: Africa.
Length: 38 feet (11.5 meters).
Acrocanthosaurus:
Time Period: Albian of the early Cretaceous period: 113-101 million years ago.
Place: North America.
Length: 34-39 feet (10.2-12.0 meters).
Deinonychus:
Time Period: Albian of the early Cretaceous period: 113-101 million years ago.
Place: North America.
Length: 10 feet (3.1 meters).
Austroraptor:
Time Period: Maastrichtian of the late Cretaceous period: 72-66 million years ago.
Place: South America.
Length: 17 feet (5.3 meters).
Tarbosaurus:
Time Period: Campanian-Maastrichtian of the late Cretaceous period: 84-66 million years ago. Maybe 65 million years ago.
Place: Asia.
Length: 31-39 feet (9.3-12.0 meters).
Zhuchengtyrannus:
Time Period: Campanian-Maastrichtian of the late Cretaceous period: 84-66 million years ago. Maybe 65 million years ago.
Place: Asia.
Length: 34 feet (10.3 meters).
Carnotaurus:
Time Period: Maastrichtian of the late Cretaceous to Paleocene: 72-66 million years ago.
Place: South America.
Length: 32 feet (9.6 meters).
Pycnonemosaurus:
Time Period: Coniacian of the late Cretaceous period: 90-86 million years ago.
Place: South America.
Length: 27 feet (8.2 meters).
Torvosaurus:
Time Period: Kimmeridgian-Tithonian of the late Jurassic period: 157-145 million years ago.
Place: North America and Europe.
Length: 33-35 feet (10.1-10.7 meters).
Coelophysis:
Time Period: Norian-Toarcian of the late Triassic-early Jurassic: 227-174 million years ago.
Place: North America and Africa.
Length: 5-8 feet (1.5-2.5 meters).
Herrerasaurus:
Time Period: Norian-Rhaetian of the late Triassic period: 227-201 million years ago.
Place: South America.
Length: 11 feet (3.1-3.4 meters).
Eodromaeus:
Time Period: Carnian of the late Triassic period: 237-227 million years ago.
Place: South America.
Length: 8 feet (2.4 meters).
Neovenator:
Time Period: Barremian of the early Cretaceous period: 129-125 million years ago.
Place: Europe.
Length: 30 feet (9.1 meters).
Eotyrannus:
Time Period: Barremian of the early Cretaceous period: 129-125 million years ago.
Place: Europe.
Length: 13 feet (4.0 meters).
Ekrixinatosaurus:
Time Period: Albian-Coniacian of the early-late Cretaceous period: 113-86 million years ago.
Place: South America.
Length: 24 feet (7.2 meters).
Irritator:
Time Period: Aptian of the early Cretaceous period: 125-113 million years ago.
Place: South America.
Length: 22-31 feet (6.8-9.3 meters).
Gnathovorax:
Time: Carnian of the late Triassic period: 237-227 million years ago.
Place: South America.
Length: 10 feet (3.1 meters).
Order of Size:
1. Tyrannosaurus rex: 40-70 feet (12.2-21.3 meters).
2. Mapusaurus: 36-50 feet (10.9-15.3 meters).
3. Spinosaurus: 29-47 feet (8.8-14.2 meters).
4. Carcharodontosaurus: 35-45 feet (10.8-13.8 meters).
5. Allosaurus: 26-44 feet (7.9-13.4 meters).
6. Giganotosaurus: 41-43 feet (12.4-13.1 meters).
7. Tyrannotitan: 35-42 feet (10.6-12.9 meters).
8. Acrocanthosaurus: 34-39 feet (10.2-12.0 meters).
9. Tarbosaurus: 31-39 feet (9.3-12.0 meters).
10. Siats: 36-37 feet (11.0-11.3 meters).
11. Bahariosaurus: 36 feet (11.1 meters).
12. Saurophaganax: 28-36 feet (8.4-11.1 meters).
13. Torvosaurus: 33-35 feet (10.1-10.7 meters).
14. Zhuchengtyrannus: 34 feet (10.3 meters).
15. Baryonyx: 25-33 feet (7.6-10.0 meters).
16. Carnotaurus: 32 feet (9.6 meters).
17. Irritator: 22-31 feet (6.8-9.3 meters).
18. Neovenator: 30 feet (9.1 meters).
19. Pycnonemosaurus: 27 feet (8.2 meters).
20. Ekrixinatosaurus: 24 feet (7.2 meters).
21. Ceratosaurus: 18-31 feet (5.4-9.5 meters).
22. Utahraptor: 17-18 feet (5.2-5.6 meters).
23. Austroraptor: 17 feet (5.3 meters).
24. Dakotaraptor: 13-17 feet (3.8-5.2 meters).
25. Achillobator: 15 feet (4.7 meters).
26. Eotyrannus: 13 feet (4.0 meters).
27. Herrerasaurus: 11 feet (3.1-3.4 meters).
28. Deinonychus: 10 feet (3.1 meters).
29. Gnathovorax: 10 feet (3.1 meters).
30. Coelophysis: 5-8 feet (1.5-2.5 meters).
31. Eodromaeus: 8 feet (2.4 meters).
6. Giganotosaurus: 41-43 feet (12.4-13.1 meters).
7. Tyrannotitan: 35-42 feet (10.6-12.9 meters).
8. Acrocanthosaurus: 34-39 feet (10.2-12.0 meters).
9. Tarbosaurus: 31-39 feet (9.3-12.0 meters).
10. Siats: 36-37 feet (11.0-11.3 meters).
11. Bahariosaurus: 36 feet (11.1 meters).
12. Saurophaganax: 28-36 feet (8.4-11.1 meters).
13. Torvosaurus: 33-35 feet (10.1-10.7 meters).
14. Zhuchengtyrannus: 34 feet (10.3 meters).
15. Baryonyx: 25-33 feet (7.6-10.0 meters).
16. Carnotaurus: 32 feet (9.6 meters).
17. Irritator: 22-31 feet (6.8-9.3 meters).
18. Neovenator: 30 feet (9.1 meters).
19. Pycnonemosaurus: 27 feet (8.2 meters).
20. Ekrixinatosaurus: 24 feet (7.2 meters).
21. Ceratosaurus: 18-31 feet (5.4-9.5 meters).
22. Utahraptor: 17-18 feet (5.2-5.6 meters).
23. Austroraptor: 17 feet (5.3 meters).
24. Dakotaraptor: 13-17 feet (3.8-5.2 meters).
25. Achillobator: 15 feet (4.7 meters).
26. Eotyrannus: 13 feet (4.0 meters).
27. Herrerasaurus: 11 feet (3.1-3.4 meters).
28. Deinonychus: 10 feet (3.1 meters).
29. Gnathovorax: 10 feet (3.1 meters).
30. Coelophysis: 5-8 feet (1.5-2.5 meters).
31. Eodromaeus: 8 feet (2.4 meters).
Links:
My Dinosaur Lengths:
https://psdinosaurs.blogspot.com/2018/10/calculations-for-largest-theropods.html
Time Periods:
International Chronostratigraphic Chart (2020):
International Commission of Stratigraphy Website:
