Nigersaurus bụ ụdị nke rebbachisaurid sauropod dinosaur nke biri ndụ n'oge etiti Cretaceous oge, ihe dịka 115 ruo 105 nde afọ gara aga. Achọpụtara ya na Elrhaz Formation na mpaghara a na-akpọ Gadoufaoua, na Republic of Niger. A kọwapụtara ihe ochie nke dinosaur a na 1976, mana a kpọrọ ya Nigersaurus taqueti na 1999, mgbe achọtara ma kọwaa ihe ndị ọzọ. Aha genus pụtara "Niger reptile", aha a kapịrị ọnụ na-asọpụrụ onye ọkà mmụta ihe ochie French bụ Philippe Taquet, onye chọpụtara ihe mbụ ahụ. Ajụjụ: Mgbe Nigersaurus biri?
Oge Cretaceous