Wednesday, July 22, 2026
Science

Marine animals first colonized empty seashells about 470 million years ago

An international study led by researchers from the University of Tartu shows that approximately 470 million years ago, a significant ecological change took place in the world's oceans: For the first time, the interiors of empty mollusk shells began to be used as habitats. This marked the emergence o...

Marine animals first colonized empty seashells about 470 million years ago
Image: Phys.org
An international study led by researchers from the University of Tartu shows that approximately 470 million years ago, a significant ecological change took place in the world's oceans: For the first time, the interiors of empty mollusk shells began to be used as habitats. This marked the emergence of a new ecological niche and was a crucial step in the development of a marine ecosystem similar to today's.

Originally published at Phys.org

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