Updated On: 27 February, 2026 09:27 AM IST | Buenos Aires | Agencies
A near-complete Alnashetri cerropoliciensis skeleton has emerged from Patagonia’s red sandstones. The under-1 kg dinosaur, part of the alvarezsaur group, was long considered elusive in the fossil record

An artist’s impression of Alnashetri cerropoliciensis. Pic Courtesy/Universidad Nacional
A researcher team has unveiled a near-complete skeleton of Alnashetri cerropoliciensis hidden in the red sandstones of Patagonia in Argentina. Weighing under 1 kg, Alnashetri stands out as one of the smallest non-avian dinosaurs ever discovered in South America. This bird-like dinosaur, a member of the alvarezsaur family, has long been a phantom of the fossil record.
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