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New Fossil Discovery Reveals Ancient Reptile Diversity

8/14/2025

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Summary

Story summary

Paleontologists have unveiled a remarkable new species, Akidostropheus oligos, from fossils found in Arizona's Petrified Forest National Park. This tiny reptile, dating back 220 million years, reveals a surprising diversity of tanystropheids in North America. The discovery highlights how these long-necked creatures flourished in freshwater habitats alongside other species, painting a vivid picture of prehistoric life.

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Story summary

Paleontologists have unveiled a remarkable new species, Akidostropheus oligos, from fossils found in Arizona's Petrified Forest National Park. This tiny reptile, dating back 220 million years, reveals a surprising diversity of tanystropheids in North America. The discovery highlights how these long-necked creatures flourished in freshwater habitats alongside other species, painting a vivid picture of prehistoric life.