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Carnotaurus is a derived member of the Abelisauridae, a group of large theropods that occupied the large predatorial niche in the southern landmasses of Gondwana during the late Cretaceous. Within the Abelisauridae, the genus is often considered a member of the Brachyrostra, a clade of short-snouted forms restricted to South America.
This is an accepted version of this page This is the latest accepted revision, reviewed on 30 December 2024. Extinct subfamily of reptiles Majungasaurinae Temporal range: Late Cretaceous, 94–66 Ma PreꞒ Ꞓ O S D C P T J K Pg N Majungasaurus crenatissimus mounted skeleton, Stony Brook University Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Clade: Dinosauria ...
Brachyrostra (meaning "short snouts") is a clade within the theropod dinosaur family Abelisauridae.It includes the famous genera Carnotaurus, Aucasaurus, potentially Abelisaurus as well as their close relatives from the Cretaceous Period of Argentina and Brazil plus Caletodraco from France. [1]
Tyrannotitan (/ t ɪ ˌ r æ n ə ˈ t aɪ t ə n /; lit. ' tyrant titan ') is a genus of large theropod dinosaur belonging to the carcharodontosaurid family. It is known from a single species, T. chubutensis, which lived during the Albian stage of the Early Cretaceous period in what is now Argentina.
The skull of Carnotaurus doesn't seem tall enough, and the chest projects out too much in front of the shoulder girdle. Lythronaxargestes ( talk | contribs ) 23:10, 30 November 2024 (UTC) [ reply ] Carnotaurus skull taller, osteoderms reduced to feature scales, claws on hand removed, chest reduced.
In 1985, the newly discovered South American genera Abelisaurus and Carnotaurus were found to be closely related to Ceratosaurus. Gauthier, in 1986, recognized Coelophysoidea to be closely related to Ceratosaurus, although this clade falls outside of Ceratosauria in most recent analyses. Many additional members of Ceratosauria have been ...
Many other abelisaurids have since been discovered, including much more complete specimens of Aucasaurus, Carnotaurus and Majungasaurus. They showed that abelisaurids were not carnosaurs in the modern sense, but belonged to the Neoceratosauria instead. Some scientists place Abelisaurus as a basal abelisaurid, outside the subfamily Carnotaurinae.
The most probable reason for the bony studs and plates is that it evolved for defence against theropods like Abelisaurus and Carnotaurus. Saltasaurine armour has led to controversies; in 1929, the paleontologist Friedrich von Huene named the genus Loricosaurus for armour he thought to be from ankylosaurians.