Nigersaurus had a impressive dental battery consisting of somewhere around five hundred slender, closely packed teeth, arranged in rows alongside its huge, flat jaw.
They consisted of vertically stacked columns of replaceable teeth. Anytime the best tooth wore out in any given column, the just one proper below it will move upwards and go ahead and take outdated tooth's spot.
In spite of its more compact dimensions, Nigersaurus is notable for its unique adaptations, particularly its specialized teeth and feeding mechanisms, which distinguish it in paleontological scientific studies.
Nigersaurus is an important discovery for paleontologists since it helps you to get rid of gentle over the evolution and variety of sauropods during the mid-Cretaceous period.
We have been closing in on that objective quick for the reason that we arrived on a skeleton a couple of days later! This skeleton is lying on its aspect Along with the tail curved upward. The curve on the backbone measures about fifteen ft.
Reconstructed skeleton of Nigersaurus, showcasing the dinosaur's one of a kind 500-tooth jaw structure and elongated body.
This means that as just one tooth wore down or broke off, An additional was wanting to take its area. This immediate tooth substitute cycle, happening about every single 14 times, ensured that Nigersaurus constantly experienced purposeful teeth to method its food items.
Wedel and mentioned in 2016 that when sauropods in general could use their extensive necks to detect predators from afar, This may not implement for the quick-necked Nigersaurus. They identified which the eyes of Nigersaurus ended up placed additional to the best with the skull than in most other sauropods, above the muzzle, 500 teeth dinosaur which might give it overlapping fields of look at. Its visual industry would have been at or near 360 levels, and hypersensitivity of movement would have been imperative that you a susceptible prey-animal.[20]
The teeth’s unique condition and arrangement ended up perfectly fitted to its feeding routines. The slender, chisel-like teeth could efficiently snip off smooth vegetation, as well as their quick substitution ensured the dinosaur could constantly feed without having watching for new teeth to increase.
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The broad muzzle of Nigersaurus was probably an adaptation to its low-lying herbivorous eating plan, making it possible for it to simply scoop up and Obtain plant content from the ground.
Though other large animals examined (for instance rhinoceroses) experienced thick and variable bone cortices, the cortex of Nigersaurus was alternatively skinny. These scientists prompt which the microanatomy of sauropods wasn't affected by drastic selective tension a result of bearing fat, but that functions including the columnar limbs (as noticed in elephants), pneumaticity, and fleshy foot pads and cartilage peaceful tension around the bones. In addition they recommended that sauropods may perhaps hence happen to be lighter in weight than anticipated for his or her size, supporting the lowest body mass estimates for these dinosaurs.[22]
Skeletal diagram exhibiting known factors and measurement comparison Sereno along with the American palaeontologist Jeffrey A. Wilson delivered the initial thorough description with the cranium and feeding adaptations in 2005.[1] In 2007, a more thorough description with the skeleton was revealed by Sereno advertisement colleagues, based upon a specimen found out ten years before. The fossils, along with a reconstructed skeleton mount and also a plastic product of the head and neck, have been subsequently offered in the National Geographic Society in Washington.
Its limited neck would've also been an adaptation to this floor-stage feeding actions, as it wouldn't happen to be ready to reach substantial into trees like A few other sauropods.