Megaloolithus cylindricus

† Nipponosaurus sachalinensis was a small lambeosaurine hadrosaurid (~4-5m) from the Late Cretaceous of Sakhalin Island (then Japanese territory). One of the few hadrosaurids known from Russia's Far East, it documents hadrosaur presence across the high-latitude Pacific rim.

Diet & Feeding

Herbivore

Megaloolithus cylindricus 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

Megaloolithus cylindricus 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.