What did Amargasaurus have down its back?
Amargasaurus was a relatively small and short-necked dinosaur that belonged to a group known as diplodocoids. It was unusual because it had a double row of spines running along its neck and back that became a single line down its tail. There may have been a web of skin running between the spines, forming a double sail.
How did the Argentinosaurus become extinct?
Dr Benson said Argentinosaurus, which roamed around South America, was about 6 million times the weight of Qiliania and that both still fit within the dinosaur family. The mass extinction, caused by an asteroid that hit Mexico, doomed most creatures but some bird-like dinosaurs survived.
When did the Amargasaurus live?
129.4 million years ago – 122.46 million years ago (Barremian – Aptian)
Did Amargasaurus have a sail or spines?
According to this author, Amargasaurus might also have possessed such a sail, which might have been used for display. Unlike those of pelycosaurs, the neural spines of Amargasaurus were bifurcated, forming a double row along the neck and back.
Did Amargasaurus teeth?
Since Amargasaurus is a sauropod it was most likely an herbivore. It probably lived off of a diet of seed ferns, gingkos, club mosses and cycads. Since this dinosaur didn’t have teeth, then it probably had to swallow all of this plant material whole.
Who discovered Amargasaurus?
Discovery and species The name Amargasaurus was coined in 1991 by Argentine paleontologists Leonardo Salgado and José Bonaparte,[5] because its fossil remains were found alongside the La Amarga Arroyo in the Neuquén province of Argentina.
What did Amargasaurus eat?
Amargasaurus was an herbivore (it ate only plants). It must have eaten a large amount of plant material each day to sustain itself. It swallowed leaves whole, without chewing them, and may have had gastroliths (stomach stones) in its stomach to help digest this tough plant material.
What did carnotaurus eat?
meat
How big is an Amargasaurus?
9 – 10 m
Who is bigger carnotaurus vs T rex?
Carnotaurus at most weighed less than 3 tons. Tyrannosaurus weighs at most 10 tons. Carnotaurus ranged from 25–30 feet (depending on the reconstruction). Tyrannosaurus ranged from 36–40 feet.
Did carnotaurus lay eggs?
Carnotaurus was a carnivore. Was a carnivore. Reproduced by laying eggs.
What carnivorous dinosaur is bigger than the T Rex?
Spinosaurus
What is the biggest carnivore to ever live?
Is there any dinosaurs still alive today?
Other than birds, however, there is no scientific evidence that any dinosaurs, such as Tyrannosaurus, Velociraptor, Apatosaurus, Stegosaurus, or Triceratops, are still alive. These, and all other non-avian dinosaurs became extinct at least 65 million years ago at the end of the Cretaceous Period.