Temporal range: Upper Cretaceous
Segnosaurus (meaning "slow lizard") was a herbivorous theropod dinosaur that lived during the late Upper Cretaceous, about 93 million years ago. It was a rather large Therizinosaur. This is a family of theropods which were herbivores. They changed from the usual carnivorous lifestyle of their ancestors.
Four partial skeletons of Segnosaurus have been found in Mongolia. It had a long flexible neck, long head, three-toed feet, a broad strong pelvis, stocky legs with clawed fingers and toes, and a short tail. In 2010 Gregory Paul estimated the body length at six metres, the weight at 1.3 tonnes.
References[change | change source]
- Perle, A. (1979). "Segnosauridae - novoe semeistvo teropod is posdnego mela Mongolii". Trudy - Sovmestnaya Sovetsko-Mongol'skaya Paleontologicheskaya Ekspeditsiya 8: 45–55. http://paleoglot.org/files/Perle%2079.pdf.
- Paul G.S. 2010. The Princeton field guide to dinosaurs. Princeton University Press, p59.