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Fun Facts

Name: Sonorasaurus thompsoni

Meaning: “Thompson’s Sonora Lizard”

Classification: Sonorasaurus is a Brachiasaurid dinosaur, a smaller relative of the more well-known Brachiosaurus

Fast Fact: Sonorasaurus is the oldest known Brachiasaurid dinosaur from the middle Cretaceous.

Fast Fact: Named the Arizona State Dinosaur on April 10, 2018

Time Period: middle and late Cretaceous Period, 105 to 93 million years ago. The Cretaceous was the last era of the non-avian dinosaurs.

Length: about 15 meters (49 feet)

Height: 8.2 meters (27 feet)

Weight: about 42 tons (84,000 pounds)

Diet: Vegetation, probably including trees

Habitat: wetlands near the ocean, its range definitely included Pinal County.

Fossils Found: Only one location in the Turney Ranch Geological Formation, Whetstone Mountains, Cochise County, southeastern Arizona