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.
What’s the dinosaur with spines on its back?
Stegosaurus
, (genus Stegosaurus), one of the various plated dinosaurs (Stegosauria) of the Late Jurassic Period (159 million to 144 million years ago) recognizable by its spiked tail and series of large triangular bony plates along the back.
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.
What did Amargasaurus live with?
About Amargasaurus
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.
What sauropods had spikes?
There are two groups of sauropods that had spikes on their back,
the dicraeosaurids and the titanosaurs
. Dicreaeosaurids such as Amargasaurus and Bajadasaurus had long spikes that were part of their vertebrae, running down their necks and backs. These spikes are known as neural spines.
What dinosaurs had 500 teeth?
Bizarre
500
-toothed
dinosaur
Nigersaurus, you might remember, we named for bones collected on the last expedition here three years ago. This sauropod (long-necked
dinosaur
)
has
an unusual skull containing as many as
500
slender
teeth
.
What is the tallest dinosaur?
The Tallest Dinosaur
Brachiosaurus – the most well known of the group – was 13 metres tall.
Sauroposeidon
was massive and probably grew to 18.5 metres tall making it the tallest dinosaur.
What is the fastest dinosaur?
Q: What was the speed of the fastest dinosaur? A: The fastest dinosaurs were probably
the ostrich mimic ornithomimids
, toothless meat-eaters with long limbs like ostriches. They ran at least 25 miles per hour from our estimates based on footprints in mud.
What dinosaur has a ball on its tail?
Famous for its clubbed tail,
Ankylosaurus
roamed North America some 70 million to 66 million years ago in the late Cretaceous period.
Who discovered the Amargasaurus?
Unfortunately, our knowledge of Amargasaurus is limited by the fact that only one fossil specimen of this dinosaur is known, discovered in Argentina in 1984 but only described in 1991 by the
prominent South American paleontologist Jose F. Bonaparte
.
What does an 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.
Did Brachiosaurus have spikes?
And although they look intimidating, they probably weren’t a weapon. Think Brachiosaurus, Diplodocus, or Brontosaurus, and you probably picture long necks, long tails, small heads, and four enormous weight-bearing legs. … Now picture long hooked spikes protruding from a
sauropod neck
like a bony mohawk.
What dinosaur has a mohawk?
The Bajadasaurus pronuspinax
roamed Patagonia 14o million years ago in the Cretaceous. It belonged to the sauropod family, which were known to have long necks and tails. This specific dinosaur likely measured about 30 feet long.
Did brontosaurus have spikes?
Brontosaurus, like its close relative Apatosaurus,
had tall spines on its vertebrae
, which made up more than half the height of the individual bones.
What is the dinosaur with a horn on its head?
With its three sharp horns and spiky head plate,
Triceratops horridus
must have been an intimidating presence as it trampled across western North America in the late Cretaceous period, some 69 million years ago. Despite its fierce appearance, this famous ceratopsian, or horned dinosaur, was an herbivore.
