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Majungasaurus teeth are found up until the very end of the Maastrichtian, when all non-avian dinosaurs became extinct. [37] Then as now, Madagascar was an island, having separated from the Indian subcontinent less than 20 million years earlier. It was drifting northwards but still 10 to 15 degrees more southerly in latitude than it is today.
Majungasaurus is known to have preyed upon medium-sized sauropods such as Rapetosaurus, and its teeth marks have been found on the ribs of other Majungasaurus. Whether it actively hunted members of its own species or merely cannibalized their scavenged remains is unknown. This behavior has not been observed in any other majungasaurines. [14]
Animals found in the formation include frogs (including Beelzebufo ampinga), [6] turtles, snakes, lizards, at least seven species of crocodyliforms (including species of Mahajangasuchus and Trematochampsa), abelisaurid theropods Majungasaurus, noasaurid Masiakasaurus, two types of titanosaurian sauropods (Rapetosaurus and Vahiny), and at least ...
Majungasaurus: 1955 Maevarano Formation (Late Cretaceous, Maastrichtian) Madagascar: Bite marks on several specimens have been found to perfectly match the teeth of this genus, suggesting cannibalistic tendencies [13] Masiakasaurus: 2001 Maevarano Formation (Late Cretaceous, Maastrichtian) Madagascar
This is an accepted version of this page This is the latest accepted revision, reviewed on 27 December 2024. Extinct clade of dinosaurs Ceratosaurs Temporal range: Sinemurian - Maastrichtian, 199.3–66 Ma Pre๊ ๊ O S D C P T J K Pg N Six ceratosaurs (top left to bottom right): Rugops, Elaphrosaurus, Majungasaurus, Carnotaurus, Ceratosaurus, Berthasaura Scientific classification Domain ...
Abelisauridae (meaning "Abel's lizards") is a family (or clade) of ceratosaurian theropod dinosaurs.Abelisaurids thrived during the Cretaceous period, on the ancient southern supercontinent of Gondwana, and today their fossil remains are found on the modern continents of Africa and South America, as well as on the Indian subcontinent and the island of Madagascar.
Masiakasaurus lived from 72.1 to 66 million years ago, along with animals such as Majungasaurus, Rapetosaurus, and Rahonavis. Masiakasaurus was a member of the group Noasauridae, small predatory ceratosaurs found primarily in South America.
Sampson also published a paper documenting the discovery of the first Tyrannosaurus specimen found in Utah, as well as the first evidence of coexistence between Tyrannosaurus and sauropods. [19] Majungasaurus. Sampson has studied fossils of this dinosaur in Madagascar