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Lessemsaurus: Wikis


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Fossil range: Late Triassic
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Sauropsida
Superorder: Dinosauria
Order: Saurischia
Suborder: Sauropodomorpha
Infraorder: Prosauropoda
Family: Melanorosauridae
Genus: Lessemsaurus
Species: L. sauropoides
Binomial name
Lessemsaurus sauropoides
Bonaparte, 1999

Lessemsaurus is an extinct genus of sauropodomorph dinosaur (possibly a melanosaurid) named for the writer of popular science books Don Lessem. The type species, L. sauropoides, was formally described by Jose Bonaparte in 1999. This dinosaur was around 30 feet long, and was discovered in strata dating to the Norian stage, around 210 million years ago.


  • Bonaparte, J. F. 1999. Evolución de las vértebras presacras en Sauropodomorpha. Ameghiniana 36: 115–187.
  • Pol, D. and Powell, J. E. 2007. New information on Lessemsaurus sauropoides (Dinosauria: Sauropodomorpha) from the Upper Triassic of Argentina. Special Papers in Palaeontology 77

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