query: How tall were brontosaurs'?
passage: Brontosaurus
Brontosaurus was a large, long-necked quadrupedal animal with a long, whip-like tail, and forelimbs that were slightly shorter than its hindlimbs. The largest species, B. excelsus, weighed up to 15 tonnes (15 long tons; 17 short tons) and measured up to 22m (72ft) long from head to tail.[6] For comparison, the current largest land animal, the average male African bush elephant is 3.20 m (10.5 ft) tall at the shoulder and has a body mass of 6,000 kg (13,228 lb) or 6.6 short tons.
passage: Dinosaur size
Stegosaurus ungulatus: 7–9m (23–30ft)[18][43] Stegosaurus stenops: 6.5–9m (21–30ft)[18][43] Ankylosaurus magniventris: 6.25–8m (20.5–26.2ft)[43][122][123] Cedarpelta bilbeyhallorum: 5–9m (16–30ft)[18][43][124] Dacentrurus armatus: 7–8m (23–26ft)[18][43][125] Tarchia gigantea: 4.5–8m (15–26ft)[18][43] Sauropelta edwardsorum: 5–7.6m (16–25ft)[18][64][43][124][126] Dyoplosaurus acutosquameus: 7m (23ft)?[43] Tuojiangosaurus multispinus: 6.5–7m (21–23ft)[18][64][43] Wuerhosaurus homheni: 6.1–7m (20–23ft)[18][43]