Spinosaurus Specimen Sizes.

Name: Spinosaurus aegyptiacus.
Period: Albian-Cenomanian of the early-late Cretaceous period, 113-94 million years ago.
Length: 29-47 feet (8.8-14.2 meters).
Diet: Piscivore.

Specimens:

1. IPHG 1912 VIII 19 (Holotype):

Photo from Stromer (1936) (Pg. 65):

Length: 34 feet (10.3 meters).

2. 1922 X 45 ("Spinosaurus B"):

Length: 31 feet (9.3 meters).

3. FSAC-KK 11888 (Neotype):

Length: 34 feet (10.3 meters). 

Age: 17.

Age 18: 35 feet (10.7 meters)(?). (My estimate)

Skull Length: 123 cm.

4. MHNM.KK378:
Length: 31 feet (9.5 meters).

Age: Adult.
Skull Length: 112.8 cm.

5. NHMUK VP R 16421:

Length: 47 feet (14.2 meters).

6. MNHM SAM 124:

Length: 40 feet (12.1 meters).

7. MSNM V4047:

Length: 46 feet (14.0 meters).

8. MHNM.KK376:

Length: 29 feet (8.8 meters).
Age: Mature.
Skull Length: 104.6 cm.

9. BSPG 2011 I 118:
Length: 46 feet (14.1 meters).

10. MN 6117-V:

Length: 39 feet (11.9 meters).

Links:
Size:
https://psdinosaurs.blogspot.com/2018/10/calculations-for-largest-theropods.html
Link 2:
https://psdinosaurs.blogspot.com/2019/03/the-real-sizes-of-spinosaurs.html
Link 3:
https://psdinosaurs.blogspot.com/2017/09/spinosaurus-facts.html
Time Period:
https://psdinosaurs.blogspot.com/2017/09/spinosaurus-facts.html