Adynomosaurus arcanus

†Adynomosaurus arcanus was a rhabdodontid ornithopod from the Late Cretaceous (~70 Ma) of Catalonia, Spain. A medium-sized bipedal herbivore, it was named by Gasca et al. in 2019. Rhabdodontids were a distinctive European ornithopod group that flourished on island landmasses during the Late Cretaceous, evolving in geographic isolation.

Diet & Feeding

Herbivore

Adynomosaurus arcanus 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

Adynomosaurus arcanus 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.