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SALT LAKE CITY (AP) -- Scientists at sites in eastern Utah say they have discovered two new species of dinosaurs related to the plant-eating, beaked iguanodon.
Teams led by the Utah Geological Survey discovered the bones in 2004 and took years to extract them.
State paleontologist Jim Kirkland says one of the animals is about 30 feet to 35 feet long. Kirkland says the specimen dubbed "Iguanacolossus" includes most of the backbone, tail, ribs, hip and shoulder.
Another specimen found near Arches National Park has been dubbed "Hippodraco" and is estimated to be 124 million years old.
Iguanodons were able to walk on their hind legs.
The species were identified in online scientific journal PLoS ONE.
The discoveries come two months after other species were revealed in south Utah.
(Copyright 2010 by The Associated Press. All Rights Reserved.)
