Nigersaurus waa nooc ka mid ah dinosaur sauropod dinosaur oo ku noolaa xilligii dhexe ee Cretaceous, qiyaastii 115 ilaa 105 milyan oo sano ka hor. Waxaa laga helay Elrhaz Formation ee aagga loo yaqaan Gadoufaoua, ee Jamhuuriyadda Niger.
Waqtiga Cretaceous