Tridigitichnus inopinatus

† Tridigitichnus inopinatus is a Late Cretaceous ichnospecies from Neuquén Province, Argentina, representing three-toed theropod footprints attributed to a medium-sized carnivorous dinosaur. These Patagonian tracks complement the body fossil record.

Diet & Feeding

Herbivore

Tridigitichnus inopinatus 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

Tridigitichnus inopinatus 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.