Full Name:Indominus Rex
Scientific name:Unknown
Length:50ft
Height:(At shoulder)18ft
Weight:Unknown
Diet:Meat of any kind
This creature was incredibly intelligent,can one-on-one a Trex and win (I know Rexy  won in the movie but that was because Blue and the Mosa helped),her large arms were inherited by the Allosaurus,her camouflage was inherited by Carnotaurus or octopus, size was inherited by trex and other large carnivores
Weapons:Claws,teeth/bite,muscular arms, armored plating on back,speed

Full Name:Ultimasaurus
Scientific Name:Unknown
Length:55ft
Height:18ft
Weight:Unknown
Diet:Meat and possibly plants
This creature is also very intelligent,has a arsenal of weapons from its teeth to tail, is possibly able to eat plants due to 60% of its DNA being herbivore,mainly eats meat though
Weapons:Death Talon,Tail Spikes,Horns, Claws,teeth and bite

Indom Advantages:
Faster?
Stronger Jaw?
More flexible jaw
Camouflage
Larger arms?
More claws

Indom Disadvantages:
Smaller
Lighter?
Less weapons

Ultima advantages
Larger
Heavier?
More weapons

Ultima Disadvantages
Weaker Jaw?
Less claws
No camouflage
Slower?
Smaller arms?
Less flexible jaw

Scenario:
The two massive carnivore are in the middle of a desert,a small oasis and a dead triceratops are im-between them,they meet in the middle and charge at each other
One becomes the others lunch and one walks out victorious

There will be 5 votes,the one with the most walks out as winner,you decide