Tenontosaurus dossi

† Tenontosaurus dossi is a species of Tenontosaurus from the Antlers Formation of Texas, slightly smaller and more gracile than T. tilletti. Its discovery expanded the known taxonomic and geographic diversity of Tenontosaurus in Early Cretaceous North America.

Diet & Feeding

Herbivore

Tenontosaurus dossi 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 Early Mesozoic Era

Tenontosaurus dossi lived during the Cretaceous Early period of the Mesozoic Era, approximately 145,0 to 100,5 million years ago.

The Cretaceous saw continued dinosaur evolution with the rise of ornithopods and early ceratopsians. Flowering plants first appeared and began to transform terrestrial ecosystems. Spinosaurus and other large theropods lived during this time.