from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A respiratory pigment found in sipunculids, priapulids and brachiopods.
from The Century Dictionary and Cyclopedia
- n. A red coloring-matter found in the corpuscles of the fluid in the body-cavity of gephyreans, probably having a respiratory function like the hemoglobin of other animals. Also hemærythrin.
Sorry, no etymologies found.
I just posted about the priapalids or "penis worms", whose blood used hemerythrin lacks porphyrin rather than hemoglobin to transport oxygen. their blood is pinkish-violet.