The identify "Nigersaurus" has began controversy and dialogue in the scientific Group and past as a result of its probable for misinterpretation and unintended connotations.
Nigersaurus and its closest relations are grouped within the subfamily Rebbachisaurinae (previously thought to be grouped inside the eponymous Nigersaurinae) of your family Rebbachisauridae, that is Section of the sauropod superfamily Diplodocoidea. Nigersaurus was almost certainly a browser, and fed with its head near to the bottom. The location of its brain that detected scent was underdeveloped, Despite the fact that its Mind measurement was corresponding to that of other dinosaurs.
Over and above its paleontological significance, Nigersaurus has acquired awareness on the web due to its identify. Some Net memes, particularly the "You should not Google" trend, have highlighted the dinosaur as "the a person with 500 teeth.
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On The idea of microtomography scans of skull things in the holotype specimen, Sereno and colleagues developed a "prototype" Nigersaurus cranium they may study. Additionally they produced an endocast of the brain and scanned the semicircular canals of its internal ear, which they uncovered to get oriented horizontally. Within their 2007 examine, they mentioned which the framework of the occiput at the back of the cranium and cervical vertebrae would've minimal the upward and downward motion with the neck and also the rotation on the cranium.
In 1997, when paleontologist Paul Sereno to start with started to unearth the continues to be of a dinosaur in Niger's Sahara Desert, he didn’t know what to Feel. He was excavating bones inside of a dry area named Gadoufaoua, which had a prosperous fossil mattress 1st found by French uranium miners.
French paleontologists located the primary fossils of Nigersaurus while in the Nigerian what dinosaur has 500 teeth Sahara in the course of the nineteen fifties. Even so, considering that most of the bones were either isolated or incomplete (due to their fragility), it absolutely was extremely hard to discover the species.
This quick tooth alternative, with new teeth increasing every fourteen days, ensured it taken care of sharp edges for grazing on delicate vegetation. The exclusive dental arrangement created it really successful at processing reduced-lying vegetation, contributing to its name for a specialised herbivore.
This revelation originates from the fact that, Inspite of its elongated nostrils, the olfactory (smelling) location of its brain was somewhat small for its measurement. 11. Nigersaurus could almost certainly see virtually 360 levels while feeding
Nigersaurus is ideal noted for its unique skull and jaw, which contained about 500 slender teeth arranged in tightly packed rows. These teeth ended up specialised for grazing on very low-lying vegetation, producing Nigersaurus a highly productive herbivore.
It additional argued the orientation with the semicircular canals may differ significantly inside modern-day species, and is as a result not trustworthy for analyzing head posture.[23] This was supported because of the Spanish palaeontologist Jesús Marugán-Lobón and colleagues inside a 2013 study that advised the approaches employed by Sereno's workforce have been imprecise, Which Nigersaurus habitually held its head like other sauropods.[24]
Like other sauropods, Nigersaurus had a lengthy neck and tail. Nonetheless, its neck was rather quick as compared to other associates of its team, aligning with its low-grazing Life-style. Its columnar legs supported its quadrupedal posture and served bear its weight proficiently.
Skeletal diagram showing identified things and dimensions comparison Sereno as well as American palaeontologist Jeffrey A. Wilson offered the primary specific description on the skull and feeding adaptations in 2005.[one] In 2007, a more comprehensive description with the skeleton was printed by Sereno advertisement colleagues, based on a specimen uncovered 10 decades previously. The fossils, in addition to a reconstructed skeleton mount as well as a plastic design of The top and neck, ended up subsequently introduced within the National Geographic Culture in Washington.
What's additional, similar to grazing cows nowadays, these creatures were abundant throughout their heyday. Following the First discovery, Sereno uncovered One more Nigersaurus specimen through an expedition in 2000.