The Land Before Time tells the story of an orphaned sauropod.
The plot concerns a young Brontosaurus named Littlefoot who is orphaned when his mother is killed by a Tyrannosaurus .	Brontosaurus	Brontosaurus	Tyrannosaurus	Tyrannosaurus
Brontosaurus -LRB- -LSB- brntsrs -RSB- -RRB- , meaning `` thunder lizard '' -LRB- from Greek  , bront = thunder +  , sauros = lizard -RRB- , is a genus of gigantic quadruped sauropod dinosaurs .	Greek	Ancient Greek	sauropod	sauropod	dinosaurs	dinosaurs
