https://www.techexplorist.com/ancient-sea-sponges-earth-earliest-animals/101190/
Ancient sea sponges may have been Earth's earliest animals
Oct 8, 2025 - New evidence in very old rocks suggesting that some of the first animals on Earth were likely ancestors of the modern sea sponge.
ancient sea spongesmayearth
https://sciencedaily.com/releases/2026/02/260227071918.htm
MIT study finds Earth’s first animals were likely ancient sea sponges | ScienceDaily
Scientists at MIT have found compelling chemical evidence that Earth’s earliest animals were likely ancient sea sponges. Hidden inside rocks over 541 million...
study findsancient seamit