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Introduction
Meganeura is one of the most iconic prehistoric insects, known for its enormous size and resemblance to modern dragonflies. Living around 300 million years ago in the Late Carboniferous, Meganeura had a wingspan of up to 70 centimeters, making it one of the largest flying insects ever discovered.

Physical Features
Meganeura resembled today’s dragonflies but was much larger. Its elongated body, strong wings, and compound eyes allowed it to be an agile predator in the skies. The wing veins were thick and robust to support its large size.

Habitat and Behavior
This giant insect thrived in the swampy, dense forests of the Carboniferous period. Meganeura was a carnivore, feeding on smaller insects and possibly even small amphibians. Its powerful flight made it a dominant aerial predator.

Why So Large?
The high oxygen levels during the Carboniferous period (up to 35% compared to today’s 21%) allowed insects like Meganeura to grow much larger than those of modern times. The efficient respiratory system of insects worked better in these conditions, enabling gigantism.

Extinction
As oxygen levels dropped and climates changed during the Permian period, Meganeura and other giant insects could not survive. Their extinction marked a shift towards smaller insect species better adapted to new environmental conditions.

Importance in Paleontology
Meganeura is a key species for understanding insect evolution, especially how environmental factors influence size and physiology. Its fossils offer insight into prehistoric ecosystems and insect flight capabilities.

Conclusion
The giant dragonfly Meganeura remains a symbol of prehistoric insect diversity and power. Its existence reminds us of Earth’s dynamic history and the complex relationships between life and the environment.

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