Million-year old molluscs Wallerconcha sarae may be ancient survivors
IT’S spent more than a million years, lurking in the mud beneath the Arctic Ocean. Now it’s one of science’s newest species. While it doesn’t look special, the ancient creature — an early variety of bivalve mollusc — represents both a previously unknown genus (evolutionary branch) and new species (group of organisms). It’s believed this particular mollusc evolved in a world very different to now — more than a million years ago.
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