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Largest Fossilized Egg Discovered in Antarctica: Game-Changer for Reptile Reproduction

5/25/2025

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Summary

Story summary

A groundbreaking discovery in Antarctica reveals a rare fossilized egg, Antarcticoolithus bradyi, measuring 11 inches— the largest soft-shelled egg ever found. This astonishing find suggests that mosasaurs may have laid their eggs in water, reshaping our understanding of reptilian reproduction and underscoring Antarctica's vital role in paleontological studies.

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Story summary

A groundbreaking discovery in Antarctica reveals a rare fossilized egg, Antarcticoolithus bradyi, measuring 11 inches— the largest soft-shelled egg ever found. This astonishing find suggests that mosasaurs may have laid their eggs in water, reshaping our understanding of reptilian reproduction and underscoring Antarctica's vital role in paleontological studies.