Length 153 mm

Its bone structure reveals primitive characteristics of tetanurans

described from fossil remains found in the Anacleto Formation

Length 243 mm

at the end of the Jurassic period during the Tithonian

Giraffatitan brancai Variant:Unprimed Length 153 mmGiraffatitan brancai was a herbivorous sauropod dinosaur from the Late Jurassic , living during the KimmeridgianTithonian age (approximately 154150 million years ago) . Its remains come from the Tendaguru Formation in present day Tanzania , one of the world's most important dinosaur fossil sites. For much of the 20th century, it was considered an African species of the genus Brachiosaurus , but detailed anatomical studies demonstrated sufficient