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Its head is what definitely stands out about Nigersaurus, though. The jaws, that have a flat entrance, are lined with about five hundred teeth, which Sereno claims were being replaceable. These teeth were all exactly the same in size, and he estimates that they most likely only lasted about a month or so before they were worn down.
Having like which can be tough in your dental health and fitness Except you do have a syteady offer of replacement teeth. Nigersaurus have to have worn out its tooth crowns at a immediate-hearth speed.
As an example, its fossils counsel that it had a wide, deep ribcage which will have authorized it to soak up massive quantities of air, facilitating its breathing and furnishing the oxygen it required to sustain its enormous body.
If genuine, it might starkly contrast with most sauropod reconstructions, demonstrating the animal holding its head horizontally.
Nigersaurus did not exhibit the identical modifications viewed from the jaws of other dinosaurs with dental batteries, or mammals with elaborate chewing capabilities. The reduce jaw was L-shaped and divided in to the subcylindrical transverse ramus, which contained the teeth, along with the back again ramus, which was additional light-weight and was The situation for most of the muscle mass attachments. It was distinct in that the tooth row expanded to the sides in the aircraft of the main ramus of your lessen jaw.
Given that quite a few rebbachisaurids inhabited latitudes that could happen to be tropical to subtropical in the center Cretaceous, this pneumaticity may have aided the animals cope with the incredibly higher temperatures. In accordance with Ibiricu and colleagues, this adaptation may be a motive why rebbachisaurids were being the only real group of diplodocoids that survived in the Late Cretaceous.[21]
Its limited neck would've also been an adaptation to this floor-degree feeding habits, mainly because it would not are already equipped to succeed in superior into trees like Another sauropods.
When the 1st fossils of Nigersaurus had been uncovered in 1976, paleontologists couldn’t realize them as a whole new species. It is because the skeleton fossils had been very hollow and distorted.
Greater however, These tooth columns have been packed ideal alongside each other—like canned sardines. So a dinosaur armed with dental batteries could comfortably household quite a few hundred teeth (aged and new) within its mouth.
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The Nigersaurus, with its staggering five hundred teeth, provides a captivating distinction to its dinosaur relations, especially other sauropods. Compared with its cousins with less, thicker teeth, the Nigersaurus’s slender, pencil-like teeth were uniquely adapted for snipping soft vegetation, a stark change in the strong teeth of sauropods like Brachiosaurus, which were likely meant to take care of more durable plants.
We are closing in on that objective fast mainly because we arrived on a skeleton a couple of days afterwards! This skeleton is lying on its side With all the tail curved upward. The curve from the spine actions about fifteen toes.
This revelation emanates from The truth that, Inspite of its elongated nostrils, the olfactory (smelling) area of its Mind was relatively modest for its size. 11. Nigersaurus could most likely see approximately 360 degrees while feeding