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Like all sauropods, Nigersaurus was a quadruped with a small head, thick hind legs, and a prominent tail. Among that clade, Nigersaurus was fairly small, with a body length of only 9 m (30 ft) and a femur reaching only 1 m (3 ft 3 in); it may have weighed around 1.9–4 t (2.1–4.4 short tons), comparable to a modern elephant.
Most of the largest herbivorous specimens on record were discovered in the 1970s or later, and include the massive titanosaur Argentinosaurus huinculensis, which is the largest dinosaur known from uncontroversial and relatively substantial evidence, estimated to have been 70–80 t (77–88 short tons) and 36 m (118 ft) long.
For decades, Compsognathus was known as the smallest known non-avian dinosaur, [5] although some dinosaurs discovered later, such as Mahakala and Microraptor, were even smaller. [ 25 ] [ 26 ] The German specimen was estimated to be 70–75 cm (28–30 in) [ 5 ] and 89 cm (35 in) [ 3 ] in length by separate authors, while the larger French ...
Utahraptor is estimated to have reached 6–7 metres (20–23 ft) in length and somewhat less than 500 kg (1,100 lb), comparable in weight to a polar bear. [ 1 ] [ 11 ] [ 12 ] Some authors estimated that it weighed up to 250–350 kg (550–770 lb).
Researchers recently unearthed an incredible find that could help shed light on the massive Titanosaur.
What was 21-feet tall, looked like a T-rex and was covered in feathers? It was the Cryolophosaurus, of course! ... Meet the Huge Dinosaur That Looked Like a Feathered T-Rex. November 19, 2024 at ...
Victoria stands as one of the largest T.rex’s mounted in the world at 40 feet in length and was estimated to be approximately 10.5 tons or 21,000 lbs. at death. [ 1 ] [ 2 ] Heinrich Mallison, Victoria’s lead paleontologist and researcher at the Center of Natural History, Hamburg University said, “ The discovery of Victoria has provided ...
The dinosaur lived 150 million years ago in the late Jurassic period, making it millions of years older than the terrifying Tyrannosaurus rex that roamed the Earth some 66 million to 68 million ...