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Mar 27, 2020 · To paleontologists, Giganotosaurus and its relatives are classified as carcharodontosaurs. Their name means “shark-toothed lizard,” established by the discovery of Carcharodontosaurus itself in 1931. But even as experts name new species from the U.S., Europe, South America, Africa, and Asia, these momentous meat-eaters can never quite seem ...
- Riley Black
The animal was named Giganotosaurus carolinii in 1995; the genus name translates to "giant southern lizard", and the specific name honors the discoverer, Ruben Carolini. A dentary bone, a tooth, and some tracks, discovered before the holotype, were later assigned to this animal. The genus attracted much interest and became part of a scientific ...
Mar 17, 2016 · Pronounced jig-a-NOT-o-SOR-us, Greek for "giant southern lizard," the dinosaur is a member of the Carcharodontosauridae ("shark-toothed lizards") family. There is only one known species of the ...
- Bob Strauss
- The Name Giganotosaurus Has Nothing to Do With "Gigantic" Giganotosaurus (pronounced GEE-gah-NO-toe-SORE-us) is Greek for "giant southern lizard," not "gigantic lizard," as it's often mistranslated (and mispronounced by people unfamiliar with classical roots, as "giganotosaurus").
- Giganotosaurus Was Bigger Than Tyrannosaurus Rex. Part of what has made Giganotosaurus so famous, so quickly, is the fact that it slightly outweighed Tyrannosaurus Rex: full-grown adults may have tipped the scales at about 10 tons, compared to a little over nine tons for a female T. Rex (which outweighed the male of the species).
- Giganotosaurus May Have Preyed on Argentinosaurus. Direct proof is lacking, but the discovery of the bones of the giant titanosaur dinosaur Argentinosaurus in the proximity of those of Giganotosaurus at least hints at an ongoing predator-prey relationship.
- Giganotosaurus Was the Largest Meat-Eating Dinosaur of South America. Although it wasn't the largest theropod of the Mesozoic Era—that honor, as stated above, belongs to the African Spinosaurus—Giganotosaurus is secure in its crown as the largest meat-eating dinosaur of Cretaceous South America.
Giganotosaurus was a member of a family of large carnivorous dinosaurs that also included Mapusaurus and Carcharodontosaurus. Giganotosaurus is thought to have reached a length of 12−13 meters (about 40−43 feet), a height of 7 meters (about 23 feet), and a weight of 7,000–8,000 kg (about 15,400–17,600 pounds).
The nature of their teeth is where Carcharodontosaurus and the Carcharodontosaur family got its name, meaning “Shark-toothed reptiles”. These flat, cutting teeth coupled with the triangular shape of Giganotosaurus’ bite would have made its jaws work like an efficient pair of scissors, shearing through soft tissue right into important blood vessels and tendons.
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Today we know an adult T. rex could stand 12 feet (or 3.6 meters) tall at the hip and measure 40 feet (12 meters) long. As such, Tyrannosaurus was one of the largest predators to ever walk the earth. But hold your horses. A handful of other meat-eating dinos rivaled, or possibly exceeded, the creature in size.
