" This stems from the misinterpretation of its name, which can be derived from your state of Niger, not a derogatory phrase.
Nigersaurus (/niːˈʒɛərsɔːrəs, ˈnaɪdʒərsɔːrəs/) is a genus of rebbachisaurid sauropod dinosaur that lived for the duration of the middle Cretaceous interval, about a hundred and fifteen to a hundred and five million a long time in the past. It was identified while in the Elrhaz Development in a region named Gadoufaoua, in Niger.
In spite of its smaller sized dimensions, Nigersaurus is notable for its exceptional adaptations, notably its specialized teeth and feeding mechanisms, which distinguish it in paleontological experiments.
In usually colourful vogue, Sereno explained Nigersaurus for a cross involving Darth Vader and also a vacuum cleaner and also called it a "Mesozoic cow" (not an inaccurate description, should you disregard The reality that a full-grown Nigersaurus measured thirty feet from head to tail and weighed up to five tons!)
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Reconstructed skeleton of Nigersaurus, showcasing the dinosaur's unique five hundred-tooth jaw composition and elongated body.
The snout was also proportionately shorter, plus the tooth row was in no way prognathous, the snout tip not protruding relative to the rest on the tooth series.[1] Nigersaurus was distinctive in that its frontal bone (which shaped Significantly from the cranium-roof) was elongate (Significantly narrower than lengthy), and experienced a marked cerebral fossa (a melancholy within the floor of the bone Within the head).[4] The maxillary tooth row was in its entirety transversely rotated, its typical rear 90° everted toward the front. This was matched by an identical rotation on the dentary with the lessen jaw. This transverse orientation of your upper and reduce tooth rows was unique to your dinosaur. As a result of this configuration, no other tetrapod had all of its teeth Positioned as much into the front as Nigersaurus.[three][four]
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A 2009 study by the British palaeontologist Mike P. Taylor and colleagues agreed that Nigersaurus was capable to feed While using the downturned head and neck posture proposed through the 2007 research, but contested that this was the habitual posture from the animal. The examine famous that the "neutral" head and neck posture of recent animals doesn't essentially correspond to their habitual head posture.
For example, its fossils suggest that it had a wide, deep ribcage which will 500 teeth dinosaur have authorized it to take in massive amounts of air, facilitating its breathing and supplying the oxygen it required to maintain its massive system.
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was named and described in additional depth by Sereno and colleagues only in 1999, based on stays of freshly found people. The exact same posting also named
The journey to uncover the tricks on the Nigersaurus started with the primary fossil fragments uncovered inside the 1970s inside the Elrhaz Formation of Niger, however it wasn’t till 1999 that much more full continues to be brought this fascinating dinosaur into the Highlight. These discoveries offered paleontologists with the two problems and options.
Skeletal diagram of Nigersaurus taqueti, illustrating known fossil features and size comparison with a human, depicting this Cretaceous sauropod's exclusive physical construction