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Nigersaurus (/ n iː ˈ ʒ ɛər s ɔː r ə s, ˈ n aɪ dʒ ər s ɔː r ə s /) is a genus of rebbachisaurid sauropod dinosaur that lived during the middle Cretaceous period, about 115 to 105 million years ago. It was discovered in the Elrhaz Formation in an area called Gadoufaoua, in Niger.
Nigersaurus (meaning "Niger reptile") is a genus of rebbachisaurid sauropod dinosaur that lived during the middle Cretaceous period, about 115 to 105 million years ago. It was discovered in the Elrhaz Formation in an area called Gadoufaoua, in the Republic of Niger. Fossils of this dinosaur were first described in 1976, but it was only named in ...
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The iguanodontian Lurdusaurus and the rebbachisaurid Nigersaurus were the most numerous megaherbivores in the Elrhaz formation, [11] although Ouranosaurus was a dominant element as well. [12] Other herbivores from the same formation include Elrhazosaurus and an unnamed titanosaur.
The study suggested that Nigersaurus, for example, replaced each tooth every 14 days, Camarasaurus replaced each tooth every 62 days, and Diplodocus replaced each tooth once every 35 days. [48] The scientists found qualities of the tooth affected how long it took for a new tooth to grow.
A study of snout shape and dental microwear in diplodocoids showed that the square snouts, large proportion of pits, and fine subparallel scratches in Apatosaurus, Diplodocus, Nigersaurus, and Rebbachisaurus suggest ground-height nonselective browsing; the narrow snouts of Dicraeosaurus, Suuwassea, and Tornieria and the coarse scratches and ...
Life restoration. Jobaria was a primitive sauropod, about 18.2 metres (60 ft) long and estimated to weigh about 22.4 tonnes (24.7 short tons). [4] In 2016 Gregory S. Paul gave a lower estimation of 16 metres (52 ft) and 16 tonnes (18 short tons). [5]