Tomopteris (Neo-Latin from Greek meaning "a cut" + "wing" but taken to mean "fin") is a genus of marine planktonic polychaete. If disturbed, some species are known to make a flurry of glowing sparks erupt from their forked parapodia. One species, Tomopteris nisseni, is one of the few marine creatures with yellow bioluminescence.  Others in this genus are capable of dispelling bioluminescent mucus from their parapodia. This is used to distract predators, making them go after the discharged glow instead of the animal itself.  Generally they only grow a few centimeters in body size, or 20 millimetres (0.79 in) to 40 millimetres (1.6 in) in total length. 
- ITIS Standard Report Page: Tomopteris
- Definition: tomopteris from Online Medical Dictionary
- "tomopteris". UCSB. ucsb. Retrieved 10 December 2013.
- Tomopteris picture
- "Tomopteris". Real Monstrosities. Retrieved 10 December 2013.
- B, Carly. "This Deep Sea Alien Worm, Tomopteris, Is Utterly Captivating". The Featured Creature. Retrieved 10 December 2013.
- "Tomopteris helgolandica". Species-Identification. Retrieved 10 December 2013.
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