Lurking in oceans, rivers and lakes around the world are Tiny, ancient animals known to few people. Bryozoans, tiny marine creatures that live in colonies, are "living fossils" -- their lineage goes back to the time when multi-celled life was a newfangled concept. But until now, scientists were Missing evidence of one important breakthrough that helped the bryozoans survive 500 million years as the world changed around...
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Bryozoan fossil fills missing evolutionary link
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