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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 ...
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.
Compsognathus longipes was formerly the smallest known dinosaur. It was around the size of a chicken when fully grown: around 1 m (3 ft 3 in) long and weighing 2.5 kg (5.5 lb). [ 24 ] However, recently discovered adult specimens of other dinosaurs are smaller than Compsognathus , including Caenagnathasia , Microraptor and Parvicursor , all of ...
Titanosauria have the largest range of body size of any sauropod clade, and includes both the largest known sauropods and some of the smallest. [25] One of the largest titanosaurs, Patagotitan, had a body mass estimated to be 69 tonnes (76 tons), whereas one of the smallest, Magyarosaurus, had a body mass of approximately 900 kilograms (2,000 lb).
The previous record for the smallest non-avian dinosaur egg, according to Guinness World Records, measures 45-by-20 millimeters (about 1.77-by-0.79 inches). Discovered in Japan's Tamba City, this ...
Millions of years ago, the dinosaurs that dominated the planet came in all shapes and sizes. The tyrannosaurus was a nearly 40-foot-long apex predator.Shuvuuia, on the other side of the size scale ...
Neosauropoda is quite plausibly the clade of dinosaurs with the largest body sizes ever to have existed. The few exceptions of smaller size are hypothesized to be caused by island dwarfism , or other ecological pressures , although there is a trend in some Titanosauria towards a smaller size.
The largest extant theropod is the common ostrich, up to 2.74 m (9 ft) tall and weighing between 90 and 130 kg (200 - 290 lb). [26] The smallest non-avian theropod known from adult specimens is the troodontid Anchiornis huxleyi, at 110 grams in weight and 34 centimeters (1 ft) in length. [22]