Nigersaurus
Order: Saurischia · Suborder: Sauropoda · Infraorder: Rebbachisauridae · Family: Rebbachisauridae (family not firmly confirmed)
Nigersaurus was an unusual sauropod that roamed the floodplains of what is now Niger during the Early Cretaceous period. Its name means "Niger reptile," and it belonged to the family Rebbachisauridae. Measuring approximately 30 feet in length, this herbivore possessed anatomical features that set it apart from other long-necked dinosaurs of its time.
The most distinctive characteristic of Nigersaurus was its remarkably wide, straight-edged muzzle densely packed with hundreds of small teeth arranged in specialized batteries. This dental arrangement was ideally suited for cropping and processing low-growing plants, allowing Nigersaurus to feed close to the ground in a manner different from taller sauropods. This feeding strategy represents a striking example of how sauropods evolved specialized adaptations to exploit different food sources within their environments.
The skull of Nigersaurus was notably delicate, honeycombed with numerous openings that served to reduce its weight. Paleontologists have described it as among the most fragile skulls of any known dinosaur, a feature that reflects the extreme specialization of this species for its particular ecological niche. Though its upright posture remains unknown, Nigersaurus stands as a testament to the remarkable diversity of body plans and feeding strategies that evolved within the sauropod lineage.
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Reference background: Natural History Museum, London — Dinosaurs; Smithsonian National Museum of Natural History — Dinosaurs; American Museum of Natural History — Dinosaurs & Fossils. Figures are typical published ranges; taxonomy follows the source era and modern consensus is noted where it differs. See our sources & fact-check policy.
Frequently asked questions
What does Nigersaurus mean?
The name Nigersaurus means “Niger reptile”.
When did Nigersaurus live?
Nigersaurus lived during the Early Cretaceous.
Was Nigersaurus a carnivore or a herbivore?
Nigersaurus was a herbivore.
How big was Nigersaurus?
Nigersaurus was about 30 feet (9 meters) long.
Related dinosaurs
Other dinosaurs from the Rebbachisauridae family.
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