The dinosaur's vertebrae was stuffed with air pockets comparable to those of birds, Hence the dinosaur was very likely really light, at the same time. Its brain was concerning the sizing of a walnut, and that is roughly common for sauropods, Sereno says.
Head's Up! (Possibly) For the reason that Nigersaurus ate with its head down, specialists have wondered about its posture. Sereno and his co-authors when argued which the herbivore aimed its experience and neck downwards — irrespective of whether it absolutely was feeding or not — as a matter of practice.
Fossils of the dinosaur were 1st described in 1976, but it had been only named Nigersaurus taqueti in 1999, after even more and much more finish remains ended up found and described. The genus title means "Niger reptile", and the particular identify honours the palaeontologist Philippe Taquet, who found the 1st remains.
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While home to other large herbivorous dinosaurs, it had been also inhabited by theropods (a group of bipedal, three-toed carnivorous dinosaurs that come with Tyrannosaurus Rex
What's much more, much like grazing cows these days, these creatures were abundant all through their heyday. Following the Original discovery, Sereno observed An additional Nigersaurus specimen through an expedition in 2000.
A 2023 review through the French palaeontologist Rémi Lefebvre and colleagues examined the microanatomical framework of your limb bones of Nigersaurus through CT-scans, the first these kinds of research of the sauropod. Digital sections in the limb bones sampled from people of different dimensions have been explored to ascertain the range of variation. Significant-body weight bearing animals frequently have characteristics connected with this issue, influencing the internal framework of the limb bones, even so the variation between these kinds of bones is poorly acknowledged.
As it was a prey animal, it absolutely was essential for Nigersaurus to have motion hypersensitivity to detect any potential threats.
This immediate tooth alternative, with new teeth growing just about every 14 days, ensured it preserved sharp edges for grazing on comfortable vegetation. The one of a kind dental arrangement manufactured it extremely economical at processing lower-lying plants, contributing to its standing as a specialized herbivore.
In 2020, the French palaeontologist Julien Benoit and colleagues examined lateral semicircular canal correlation to head posture on modern day mammals, and found that while there was important correlation involving the reconstructed and precise head postures, the airplane on the semicircular canal wasn't held horizontally while in the resting pose as inferred.
It lived in a very riparian habitat, and its diet program almost certainly consisted of soppy plants, like ferns, horsetails, and angiosperms. It really is one of the most common fossil vertebrates identified in the region, and shared its habitat with other dinosaurian megaherbivores, in addition to significant theropods and crocodylomorphs.
[thirteen] Because of the lateral Nigersaurus orientation in the teeth, it most likely would not happen to be in a position to chew.[one] Nigersaurus wore its tooth crowns down speedier than other dinosaurian herbivores,[3] and its tooth substitute amount was the highest of any known dinosaur. Every tooth was changed after each fourteen times; the rate experienced Formerly been approximated reduced. In contrast to Nigersaurus, sauropods with lessen tooth alternative prices and broader tooth crowns are assumed to are already Cover browsers.[12]
[thirteen] As a result of lateral orientation with the teeth, it possibly wouldn't happen to be capable of chew.[one] Nigersaurus wore its tooth crowns down speedier than other dinosaurian herbivores,[three] and its tooth substitute charge was the highest of any recognized dinosaur. Each individual tooth was changed after every single 14 days; the speed had Formerly been estimated lessen. In distinction to Nigersaurus, sauropods with decrease tooth replacement rates and broader tooth crowns are assumed to are actually Cover browsers.[12]