Marisaurus jeffi

† Nemegtosaurus mongoliensis was a large titanosaur sauropod from the Late Cretaceous Nemegt Formation of Mongolia. Known primarily from a distinctive long, low skull, it was long assigned to diplodocoids because of skull morphology before being correctly placed in Titanosauria.

Diet & Feeding

Herbivore

Marisaurus jeffi 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

Marisaurus jeffi 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.