Any film featuring Ray Harryhausen special effects. Here's a compilation of every Ray Harryhausen animated creature in feature films, presented in chronological order...
Mighty Joe Young - Mighty Joe Young (1949)
Rhedosaur - The Beast from 20,000 Fathoms (1953)
It (giant octopus) - It Came from Beneath the Sea (1955)
Brontosaur - The Animal World (1956)
Allosaur - The Animal World (1956)
Brontosaur Hatchling - The Animal World (1956)
Stegosaur - The Animal World (1956)
Sceraptosaur - The Animal World (1956)
Triceratops - The Animal World (1956)
Tyrannosaur - The Animal World (1956)
Flying Saucers - Earth vs. the Flying Saucers (1956)
Spaceship - Twenty Million Miles to Earth (1957)
Ymir - Twenty Million Miles to Earth (1957)
Elephant - Twenty Million Miles to Earth (1957)
Cyclops - The 7th Voyage of Sinbad (1958)
Serpent Woman - The 7th Voyage of Sinbad (1958)
Roc Hatchling - The 7th Voyage of Sinbad (1958)
Roc - The 7th Voyage of Sinbad (1958)
Skeleton - The 7th Voyage of Sinbad (1958)
Dragon - The 7th Voyage of Sinbad (1958)
Squirrel - The 3 Worlds of Gulliver (1960)
Crocodile - The 3 Worlds of Gulliver (1960)
Crab - Mysterious Island (1961)
Phororhacos - Mysterious Island (1961)
Cephalopod - Mysterious Island (1961)
Bee - Mysterious Island (1961)
Talos - Jason and the Argonauts (1963)
Harpies - Jason and the Argonauts (1963)
Hydra - Jason and the Argonauts (1963)
Skeletons - Jason and the Argonauts (1963)
Moonship - First Men in the Moon (1964)
Space Sphere - First Men in the Moon (1964)
Moon Cow - First Men in the Moon (1964)
Kate Calendar's Skeleton - First Men in the Moon (1964)
Selenite - First Men in the Moon (1964)
Grand Lunar - First Men in the Moon (1964)
Brontosaur - One Million Years B.C. (1966)
Archelon - One Million Years B.C. (1966)
Allosaur - One Million Years B.C. (1966)
Triceratops - One Million Years B.C. (1966)
Ceratosaur - One Million Years B.C. (1966)
Pterodactyl - One Million Years B.C. (1966)
Rhamphorhynchus - One Million Years B.C. (1966)
Pterodactyl Hatchlings - One Million Years B.C. (1966)
Horse - The Valley of Gwangi (1969)
Eohippus - The Valley of Gwangi (1969)
Pteranodon - The Valley of Gwangi (1969)
Ornithomimus - The Valley of Gwangi (1969)
Gwangi - The Valley of Gwangi (1969)
Styrathosaur - The Valley of Gwangi (1969)
Elephant - The Valley of Gwangi (1969)
Homonicus - The Golden Voyage of Sinbad (1974)
Figurehead - The Golden Voyage of Sinbad (1974)
Kali - The Golden Voyage of Sinbad (1974)
Centaur - The Golden Voyage of Sinbad (1974)
Griffin - The Golden Voyage of Sinbad (1974)
Ghouls - Sinbad and the Eye of the Tiger (1977)
Baboon - Sinbad and the Eye of the Tiger (1977)
Minoton - Sinbad and the Eye of the Tiger (1977)
Hornet - Sinbad and the Eye of the Tiger (1977)
Walrus Giganticus - Sinbad and the Eye of the Tiger (1977)
Troglodyte - Sinbad and the Eye of the Tiger (1977)
Guardian of the Shrine - Sinbad and the Eye of the Tiger (1977)
Vulture - Clash of the Titans (1981)
Pegasus - Clash of the Titans (1981)
Calibos - Clash of the Titans (1981)
Bubo - Clash of the Titans (1981)
Dioskilos - Clash of the Titans (1981)
Medusa - Clash of the Titans (1981)
Scorpions - Clash of the Titans (1981)
Kraken - Clash of the Titans (1981)