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Giganotosaurus (/ ˌ ɡ ɪ ɡ ə ˌ n oʊ t ə ˈ s ɔː r ə s / GIG-ə-NOH-tə-SOR-əs [2]) is a genus of large theropod dinosaur that lived in what is now Argentina, during the early Cenomanian age of the Late Cretaceous period, approximately 99.6 to 95 million years ago.
Carcharodontosaurids include some of the largest land predators ever known: Giganotosaurus, Mapusaurus, Carcharodontosaurus, and Tyrannotitan all rivaled Tyrannosaurus in size. Estimates give a maximum weight of 8–10 metric tons (8.8–11.0 short tons) for the largest carcharodontosaurids, while the smallest carcharodontosaurids were ...
Size comparison of selected giant theropod dinosaurs (from left to right): Spinosaurus , Giganotosaurus, Tyrannosaurus, Mapusaurus, and Carcharodontosaurus The largest theropod as well as the largest terrestrial predator yet known is Tyrannosaurus rex , with the largest specimen known nicknamed Scotty (RSM P2523.8), located at the Royal ...
The holotype of Meraxes, MMCh-PV 65, was discovered in 2012.Known from a nearly complete skull, pectoral and pelvic elements, partial forelimbs, complete hindlimbs, fragmentary ribs and cervical and dorsal vertebrae, a sacrum, and several complete caudal vertebrae, it represents the most complete carcharodontosaurid skeleton known from the Southern Hemisphere. [1]
Restoration. The fossil remains of Mapusaurus were discovered in a bone bed containing at least seven to possibly up to nine individuals of various growth stages. [2] [11] [12] Coria and Currie speculated that this may represent a long term, possibly coincidental accumulation of carcasses (some sort of predator trap) and may provide clues about Mapusaurus behavior. [2]
Acrocanthosaurus (/ ˌ æ k r oʊ ˌ k æ n θ ə ˈ s ɔːr ə s / AK-roh-KAN-thə-SOR-əs; lit. ' high-spined lizard ') is a genus of carcharodontosaurid dinosaur that existed in what is now North America during the Aptian and early Albian stages of the Early Cretaceous, from 113 to 110 million years ago.
Mounted skeletons of Tyrannosaurus (left) and Apatosaurus (right) at the AMNH. Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago, although the exact origin and timing of the evolution of dinosaurs is the subject of active research.
Long Tooth: a female Giganotosaurus, She hunts and attacks Strong One with her family pack in the last battle. Long Tooth is a predator like her mother, a 45 feet (13.7 m) long and 8 ton hunting machine. Although she has lots of body mass, but she's still relatively agile. Also, some expert believe that she could reach 30 kilometers per hour.