Here is a list of dinosaur stat records.
Strongest Dinosaur:
Barosaurus with 4500 health and 390 damage at elder
Fastest Dinosaur:
Balaur with 50 Speed at baby (sprinting)
Highest GRM:
Barosaurus, with a Growth Rate Multiplier of 3 (60 ingame days; 75 DNA per day after day 25)
Most Defense:
Ankylosaurus and Megalodon with 75 defense (25% chance of bleed)
Most Expensive DNA Skin:
Ever: Blackodile, (100K DNA)
Currently Purchasable: Galactic Terror, (40K DNA)
Cheapest DNA Skin:
Classic Ichthyosaurus (80 DNA)
Most Expensive Dinosaur:
Avinychus (200k DNA)
Cheapest DNA Dinosaur:
Coelophysis Tied with Coelacanth (50 DNA)
First (And Only) All-Terrain:
Pteranodon being able to fly, walk on land, and swim.
Weakest:
Megalodon with 150 health and 60 attack at elder
Slowest:
Megalodon with 5 speed (9 sprinting) at elder
Lowest GRM:
Coelacanth with a Growth Rate Multiplier of 0.1 (2 ingame days; 3 DNA per day after day 25)
Strongest Carnivore:
Health: Leedsichthys with 2400 health at elder
Damage: Pliosaurus with 300 damage at elder
Strongest Herbivore:
Barosaurus with 4500 health and 390 damage at elder
Strongest Omnivore:
Gigantoraptor with 1680 health and 180 damage at elder
Largest Skin:
Rakemother Brachiosaurus, dwarfing the Galactic Barosaurus at elder