9949 Brontosaurus
This minor planet was named after Brontosaurus, a gigantic quadruped sauropod dinosaurs, which walked on all four legs and lived in the Upper Jurassic. Adult individuals measured up to 20 meters and had a weight of up to 20 tons. Many Fossils have been found in the United States. Brontosaurus is one of the best-known dinosaurs. The official naming citation was published by the Minor Planet Center on 20 November 2002 ().
Supersaurus
Other bones that were found at the same location and originally thought to belong to "Ultrasauros", like a shoulder girdle (scapulocoracoid, BYU 9462), actually belonged to "Brachiosaurus", possibly a large specimen of "Brachiosaurus altithorax". The "Brachiosaurus" bones indicate a large, but not record-breaking individual, a little larger than the ""Brachiosaurus" brancai" ("Giraffatitan brancai") mount in the Berlin's Natural History Museum. Larger specimens of "Brachiosaurus" are known from the Tendaguru beds of Tanzania, in east Africa.