Step 1: Understanding cranial capacity.
Cranial capacity indicates the brain volume and is used to compare evolutionary advancement.
Step 2: Fossil analysis.
{Homo neanderthalensis} had a cranial capacity of about 1400–1600 c.c., which is higher than other early humans.
Step 3: Conclusion.
Hence, the fossil with cranial capacity of 1450 c.c. is {Homo neanderthalensis}.