from The Century Dictionary and Cyclopedia
- A group of worm-like marine animals considered to be related to the Chordata, owing to their possession of gill-slits, a partly dorsal nervous system, and a rudimentary notochord.
Sorry, no etymologies found.
On account of the presence and mode of origin (from the gut-wall) of this organ Bateson introduced the term hemichorda as a phyletic name for the class
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