890-Million-Year-Old Fossils Are Sponges, Oldest Animals: Study

If confirmed, the findings indicate that animals appeared on Earth millions of years earlier than previously believed.

Sponge structures may be Earth's oldest animal life

Newly Found Sponge-Like Structures Could Push Animal Evolution

890-million-year-old sponge structures found in Canada may be

First sign of animal life on Earth may be a sponge fossil

Tubes in 890-million-year-old rock may be the oldest animal

Geologists Find Million-Year-Old Plant Fossils Deep Beneath

Controversial study argues sea sponges could have lived nearly 900

Life History News, Articles

Sponge-like fossils found in Canada may be earliest record of