Sponges on ancient ocean floors 100 million years before Cambrian period
Researchers have found the oldest clue yet of animal life, dating back at least 100 million years before the famous Cambrian explosion of animal fossils.
from Latest Science News -- ScienceDaily https://ift.tt/2RR9YE8
from Latest Science News -- ScienceDaily https://ift.tt/2RR9YE8
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