What was the largest herbivorous dinosaur
The record holder among the dinosaurs
The giant dinosaurs - sauropods - were the largest land animals to ever live on earth. The largest among them was the Supersaurus with a length of 41 meters, followed by the Argentinosaurus, which was 40 meters long and weighing 100 tons, and the Seismosaurus (37 meters to 40 meters long and weighing up to 140 tons). The largest carnivore was the Giganotosaurus carolinii (location: Patagonia / Argentina) with a length of 14 meters, a height of 4 meters and a weight of 8 tons. The megastar among the dinosaurs - the Tyrannosaurus rex - was up to 14 meters long, 5 meters high and weighed up to 5 tons. His skull alone was 1.37 meters long, his dagger-like teeth 15 centimeters. The Spinosaurus still reached a length of 12 meters. His 1.80 meter high skin sail that stretched across his back was particularly impressive.
The tallest dinosaur was the brachiosaurus. Its neck was giraffe-like and reached heights of up to 16 meters. It served as a counterbalance to the heavy tail and could be half the length of the whole animal.
Finding small dinosaur fossils is difficult because when they died they were mostly eaten by the larger ones. The smallest dinosaur unearthed to date is the Compsognathus ("Pretty Jaw"), which was the size of a chicken and weighed only 3 kilograms. The second smallest is the 60 centimeter long saltopus, an insect eater that lived about 200 million years ago.
The fastest were the small, bird-like predatory dinosaurs with up to 60 kilometers per hour (a cheetah can reach 100 kilometers per hour). One of the fastest dinosaurs must have been the late Triassic Coelophysis. It was very slim and lightly built and weighed only 30 kilograms at 3 meters in length.
The brightest of the dinosaurs - Troodon, Dromaeosaurus, Deinonychus, and Velociraptor - had the relatively largest ratio of brain weight to body weight.
The most armored:
The group of ankylosaurs - including Ankylosaurus, Edmontonia and Sauropelta - had thick, leather-like armor to protect them from carnivores. Head and body were partly covered with spines and large horns. In some ankylosaurs, the tail ended in a huge leg of bone that was used as a striking weapon.
The largest skull:
Triceratops had the largest skull with a length of nine meters. It had three horns and a bony frill.
The biggest claws:
Deinocheirus ("terrible hand") had the largest claws. The arms that were found in the Gobi desert were 2.5 meters long and had three fingers, each with 20 to 30 centimeters long, hook-shaped claws. Deinocheirus was one of the most dangerous dinosaurs of the Cretaceous Period and perhaps even half the size of the Tyrannosaurus rex.
Most of the teeth:
The hadrosaurs (duck-bill dinosaurs) had over 1,000 small angular teeth.
The longest service life:
The exact lifespan of the dinosaurs is not yet known, but scientists estimate that they lived between 75 and 300 years old, depending on their size. The long-necked herbivores - sauropods - had a lifespan of around 200 years. The smallest dinosaurs were likely only 10 or 20 years old.
The most dangerous:
The most dangerous dinosaurs were bird-like predators with huge claws and sharp teeth. A relative of the Velociraptor, Utahraptor was a small, fast, and relatively intelligent carnivore with a four-inch-long, sickle-shaped claw on each center toe. Another dangerous dinosaur was Deinonychus ("Dread Claw").
The largest dinosaur eggs:
The largest dinosaur eggs discovered to date were plump, over 30 centimeters long and approximately 25 centimeters wide. The eggs had a volume of 3 to 3.5 liters.
January 15, 2000
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