A genus of aquatic organisms with a well-developed notochord, representing early chordate evolution.
From Greek 'eu-' (well, good) + 'chorda' (string or notochord). The name reflects the organism's possession of a distinct, well-formed notochord structure.
Euchorda lived over 500 million years ago and represents a crucial moment—they have the 'good string' (notochord) that eventually evolved into our own spinal columns!
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