Antarctosaurus wichmannianus

†Antarctosaurus wichmannianus is the type species of Antarctosaurus, a massive titanosaur sauropod from the Late Cretaceous of Neuquén Province, Argentina. Reaching an estimated 18m or more in length, it was a bulk herbivore grazing on low vegetation across South American floodplains. Described by von Huene in 1929, its femur alone exceeds 2m in length.

Diet & Feeding

Herbivore

Antarctosaurus wichmannianus was a plant-eating dinosaur. Herbivores typically fed on ferns, cycads, conifers, and other vegetation available during their era. Many herbivorous dinosaurs developed specialized teeth and digestive systems for processing tough plant material.

Time Period

Cretaceous Late Mesozoic Era

Antarctosaurus wichmannianus lived during the Cretaceous Late period of the Mesozoic Era, approximately 100,5 to 66,0 million years ago.

The final age of dinosaurs, featuring iconic species like Tyrannosaurus rex, Triceratops, and Velociraptor. Dinosaurs reached their peak diversity before the catastrophic asteroid impact at the Chicxulub crater ended the Mesozoic Era.