List of species in The Land Before Time

Fourfooters

Clubtails

• Ankylosaurus: Kosh
• Edmontonia
• Hylaeosaurus
• Nodosaurus: Nod
• Scolosaurus: Rooter

Longnecks

• Amargasaurus
• Apatosaurus: Ali's Mother, Ali, Bron, Grandma and Grandpa Longneck, Littlefoot's Mother, Littlefoot, Pat, Rhett, Saro, etc.
• Argentinosaurus
• Brachiosaurus: Shorty, etc.
• Camarasaurus
• Cetiosaurus
• Diplodocus: Dara, Doc, Mrs. Mama
• Plateosaurus
• Saltasaurus
• Supersaurus: Sue
• Ultrasauros: Sue's Boyfriend

Belly Draggers

• Deinosuchus: Dil
• Sarcosuchus

Thicknoses

• Pachyrhinosaurus: Mr. Thicknose

Threehorns

• Chasmosaurus
• Protoceratops
• Styracosaurus
• Triceratops: Daddy Topps, Tria, Cera, Tricia, Dinah & Dana etc.

Tickly Fuzzies

• Ceratogaulus: Lydia, Milo, Plower, etc.
• Megazostrodon: Tickles
• Didelphodon: Skip
• Ptilodus

Spiketails

• Kentrosaurus
• Stegosaurus: Spike, Spiketail Leader, Tippy, Tippy's Mother

Crawlers

• Eryops
• Greererpeton
• Ichthyostega

Hoppers

• Triadobatrachus

Others

• Dimetrodon

Twofooters

Domeheads

• Pachycephalosaurus
• Prenocephale
• Stegoceras

Egg Stealers

• Struthiomimus: Ozzy & Strut
• Ornithomimus

Fast Runners

• Oviraptor: Ruby's Parents, Ruby's Siblings, Ruby

Flyers

• Archaeopteryx: Avie
• Cearadactylus: Sierra
• Dimorphodon
• Eudimorphodon
• Peteinosaurus
• Preondactylus
• Pteranodon: Mama Flyer, Petrie's Siblings, Petrie, Pterano, Etta, Swooper, etc.
• Pterodactylus: Sharptooth Flyer
• Quetzalcoatlus
• Rhamphorhynchus: Rinkus
• Scaphognathus

Gliders

• Microraptor: Guido.

Hollowhorns

• Corythosaurus
• Hypacrosaurus
• Lambeosaurus
• Parasaurolophus

Rainbow Faces

• Gallimimus

Sharp Beaks

• Ichthyornis: Ichy

Sharpteeth

• Allosaurus: Browridge Sharptooth (The Secret of Saurus Rock), Featherhead Sharpteeth (Journey of the Brave)
• Carnotaurus: Horned Sharptooth (Journey of the Brave)
• Coelophysis
• Compsognathus
• Daspletosaurus
• Nanotyrannus
• Metriacanthosaurus
• Spinosaurus: Sailback Sharptooth (The Great Day of the Flyers), Sailback Sharpteeth (The Hermit of Black Rock)
• Tyrannosaurus: Sharptooth, Chomper, Papa Sharptooth, Chomper's Mother, Meanest Sharptooth, Canyon Sharptooth (The Secret of Saurus Rock), Mountain Sharptooth, Sharptooth Pack (The Great Longneck Migration), Red Claw

Fast Biters

• ’’Deinonychus’': Fast Biters (The Stone of Cold Fire), Fast Biters (The Invasion of the Tinysauruses), Screech and Thud, Sharptooth Mom
• Velociraptor: Fast Biters (The Time of the Great Giving)

Bigmouths

• Camptosaurus
• Edmontosaurus
• Iguanodon
• Maiasaura: Mrs. Maia
• Muttaburrasaurus: Mutt's Father, Mutt
• Ouranosaurus
• Parasaurolophus
• Saurolophus: Ducky's Siblings, Ducky, Mama Swimmer, Papa Swimmer, etc

Yellow Bellies

• Beipiaosaurus: Loofah & Doofah, Foobie, etc.

Others

• Dryosaurus
• Hypsilophodon: Hyp's Father, Hyp
• Microceratus: Great Hideous Beast
• Nothronychus: Wild Arms

Swimmers

Swimming Sharpteeth

• Shark: Swimming Sharptooth (The Mysterious Island)
• Eusthenopteron
• Hydrotherosaurus: Swimming Sharptooth (Journey Through the Mists)
• Liopleurodon: Sharptooth Swimmer (Journey to Big Water)
• Megalodon
• Mosasaurus
• Pike: Swimming Sharptooth (The Land Before Time)

Others

• Archelon: Archie
• Cryptoclidus
• Elasmosaurus: Elsie
• Muraenosaurus
• Ophthalmosaurus: Mo
• Protostega

Other Creatures

Swimmers

• Starfish
• Ammonite
• Jellyfish
• Sea Horse
• Mawsonia
• Eusthenopteron
• Caproberyx
• Protosphyraena
• Bananogmius
• Cyclobatis
• Megalograptus
• Estonioceras
• Trilobite
• Leptolepis
• Lepidotes

Others

• Crab: Scuttle, Crunch, etc.
• Locust
• Crayfish
• Spider
• Butterfly
• Clam
• Bee ("Buzzing stingers" in dino talk)