"Ankylosaurus" also lived alongside dinosaurs such as "Tyrannosaurus", "Triceratops", and "Edmontosaurus". See T. Rex discography for full details of releases by Tyrannosaurus Rex and T. Rex. The researchers found tendon avulsions only among "Tyrannosaurus" and "Allosaurus". He is best known for his membership of the duo Tyrannosaurus Rex with Marc Bolan. By 1969 there was a rift developing between the two halves of Tyrannosaurus Rex. "H2" was ultimately the reason for the postponement and eventual cancellation of "Tyrannosaurus Rex". Bucky is the first "Tyrannosaurus" to be found that preserved a furcula (wishbone). It helps fight against Seth's Black Tyrannosaurus. "Albertosaurus" was smaller than some other tyrannosaurids, such as "Tarbosaurus" and "Tyrannosaurus". It helps in the fight against Seth's Black Tyrannosaurus. It later helps in the fight against Seth's Black Tyrannosaurus. The vocalizations of the Tyrannosaurus were additionally mixed in with puma screams. It also helps in the fight against Seth's Black Tyrannosaurus. The same gazelle later appeared running by Diego to escape the "Tyrannosaurus". He is a green bad-tempered "Tyrannosaurus".