Science

A newly discovered South African dinosaur was a heavyweight even as a youngster

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Briefings

A newly identified South African dinosaur species, Nyana rooiwalensis, lived over 200 million years ago and likely walked on two legs while weighing approximately 400 kilograms (880 pounds) as a juvenile. This discovery challenges previous assumptions about the size and locomotion of early sauropods in the region.

Key points

• Nyana rooiwalensis was a juvenile dinosaur that walked on two legs and weighed about 400 kilograms (880 pounds).
• The species lived more than 200 million years ago in what is now South Africa.

Context

This finding represents a significant update in paleontological research regarding early sauropod evolution in South Africa, with implications for understanding the biomechanics of large herbivores from the Late Cretaceous period.

Limitations

The evidence is limited to a single newly identified species with no comparative data or fossil context provided. Specific age estimates for the juvenile phase are inferred rather than measured, and the exact geological setting of the discovery site is not documented.

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