There's several more animals to cover, but this series has been going on for a while, so I've put them in one final episode.
Predators:
Billings Productions Sea Scorpion (labeled as Jaekelopterus in Phoenix Zoo video)
Also known by its scientific name Jaekelopterus, the Sea Scorpion lived in the Devonian of what is now Germany.
Life size: L: 8 ft (2.4 m)
Size of animatronic unit: L: 8 ft (2.4 m), H: 3 ft (0.9 m)
O. megalodon
Megalodon lived from mid Miocene through the Pliocene.
Life size: 49-59 ft (15-18 m)
Size of animatronic unit: L: 9 ft (2.74 m), H: 11 ft 6 in
Smilodon
Smilodon is Greek for "smile" and "teeth". It lived in the Pleistocene of North America.
Life size: L: 6 ft (1.8 m)
Size of animatronic unit: L: 6 ft in (1.8 m)
Terror Bird (labeled as Titanis in Phoenix Zoo video)
Terror Bird lived in the Early Pliocene to Pleistocene in Texas and Florida, but is thought to have migrated to South America through the Great American Interchange.
Life size: H: 8 ft 2 in (2.5 m)
Size of animatronic unit: H: 8 ft 2 in (2.5 m)*
*includes height of steel base
Titanoboa
Name literally means "titanic boa". It lived in the Palaeocene of Columbia.
Life size: L: 42 ft (13 m)
Size of animatronic unit: L: 20 ft 6 in (6.25 m)
Varanus priscus (labeled as Megalania in all videos and website)
Megalania means "ancient great roamer". It lived in Australia during the Pleistocene.
Life size: L: 9-26 ft (3-8 m)
Size of animatronic unit: 22 ft 2 in (6.8 m)
Custom animals not featured on the website:
Sinopterus
Barapasaurus
Dravidosaurus
Deltasuchus
Tarbosaurus
I would add Spinosaurus, but I don't want to start an argument: basically its the early 2000s model and only made once, in 2005.