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Temporal range: Late Triassic, 228–204 Ma
Lessemsaurus Senckenberg.jpg
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Dinosauria
Order: Saurischia
Suborder: Sauropodomorpha
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 José Fernando Bonaparte in 1999. This dinosaur was around 30 feet (9 m) long, and was discovered in strata dating to the Norian stage, around 210 million years ago.[1][2]

Exhibit in Singapore