Futalognkosaurus

Filed under Cretaceous dinosaurs · Types of Dinosaurs editorial team

Order: Saurischia · Suborder: Sauropoda · Infraorder: Titanosauria · Family: Titanosauria (family not firmly confirmed)

Futalognkosaurus was a colossal herbivorous sauropod that roamed the floodplains of Late Cretaceous Argentina. Its name, derived from the Mapuche language, translates to "giant chief lizard," a fitting title for one of the largest land animals ever known. Measuring between 85 and 105 feet in length, this titanosaur belonged to the same family that produced some of the heaviest creatures to walk the Earth. Its discovery provided paleontologists with one of the most complete skeletons of a truly enormous sauropod, offering invaluable insights into how these massive herbivores were constructed and supported their extraordinary bulk.

The fossil remains of Futalognkosaurus include substantial portions of the neck, back, and hip region, allowing scientists to study the anatomical features that enabled such gigantic proportions. The animal possessed a distinctly tall and deep neck that extended from a colossal body built to process vast quantities of vegetation. The same fossil site that preserved Futalognkosaurus also yielded remains of fish, plants, and other dinosaurs, painting a picture of a lush, river-filled environment teeming with diverse prehistoric life during the final chapter of the dinosaur age.

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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.

Related dinosaurs

Other dinosaurs from the Titanosauria family.