Oldest tunicate fossil is from Cambrian explosion
Harvard researchers identified a rare, soft-tissue fossil from western Utah as the oldest tunicate species on record.
Source: popsci.com
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Harvard researchers identified a rare, soft-tissue fossil from western Utah as the oldest tunicate species on record.
With no teeth, bones, or shell, this ‘watery sack’ is a rare fossil find that tells us a lot about the history of animal life.