Recently Discovered Sponge Fossil May be World's Earliest Ancient Animal

A sponge-like fossil going back 890 million years might be the world's earliest ancient mammal. According to a new study published in the scientific journal Nature, the fossils were discovered in Canada's Northwest Territories.

Oldest-Body Fossil

According to Turner, the sponge might have lived beneath the frozen seas of the Earth by dwelling in cracks and holes of the ancient microbial reef and near to oxygen-producing photosynthetic cyanobacteria or other bacteria-derived nutrients.

She informed them, "There was undoubtedly a delightful and extremely plentiful supply of 'snot' for these filter-feeding creatures to devour."

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