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The largest carnivorous non-mammalian synapsids was the dinocephalian Anteosaurus, which was 5–6 m (16–20 ft) long, and weighed 500–600 kg (1,100–1,300 lb). [ 16 ] [ 17 ] Fully grown Titanophoneus from the same family Anteosauridae likely had a skull of 1 m (3.3 ft) long.
This would make Spinosaurus the largest known carnivorous dinosaur. [25] In 2019, the paleontologist W. Scott Persons and colleagues described a Tyrannosaurus specimen (nicknamed "Scotty"), and estimated it to be more massive than other giant theropods, but cautioned that the femoral proportions of the carcharodontosaurids Giganotosaurus and ...
Rank Common name Scientific name Family Image Average mass (kg) Maximum mass (kg) Average length (m) Maximum length (m) Shoulder height (m) Native range
Spinosaurus (/ ˌ s p aɪ n ə ˈ s ɔːr ə s /; lit. ' spine lizard ') is a genus of spinosaurid dinosaur that lived in what now is North Africa during the Cenomanian stage of the Late Cretaceous period, about 100 to 94 million years ago.
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Oxalaia quilombensis is the eighth officially named theropod species from Brazil and the largest carnivorous dinosaur discovered there. One study suggested that this taxon is a junior synonym of the closely related African genus Spinosaurus, but this was disputed by subsequent studies which consider the genus to be diagnostic
Scientists have found the U.K.’s largest dinosaur footprint site ever.. The tracks were discovered in a quarry in Oxfordshire — about 60 miles northwest of London — by quarry employee Gary ...
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.