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Title:
Acanthostega Fossil
Caption:
Fossil Tetrapod Acanthostega, from Greenland. Acanthostega lived in the Late Devonian, about 363 million years ago. Specimen at Museum of the Earth, Ithaca, New York, USA.
Category:
Animals • nature • MARINE • Geology & Fossils
Credit:
Album / Science Source / Science Stock Photography