Echiodon is a genus of pearlfishes, with these currently recognized species:
- Echiodon anchipterus <small>J. T. Williams, 1984</small> (closefin pearlfish)
- Echiodon atopus <small>M. E. Anderson, 2005</small>
- Echiodon coheni <small>J. T. Williams, 1984</small>
- Echiodon cryomargarites <small>Markle, J. T. Williams & Olney, 1983</small> (messmate)
- Echiodon dawsoni <small>J. T. Williams & Shipp, 1982</small> (Chain pearlfish)
- Echiodon dentatus <small>(G. Cuvier, 1829)</small>
- Echiodon drummondii <small>W. Thompson, 1837</small>
- Echiodon exsilium <small>Rosenblatt, 1961</small> (nocturnal pearlfish)
- Echiodon neotes <small>Markle & Olney, 1990</small>
- Echiodon pegasus <small>Markle & Olney, 1990</small>
- Echiodon prionodon <small>Parmentier, 2012</small>
- Echiodon pukaki <small>Markle & Olney, 1990</small>
- Echiodon rendahli <small>(Whitley, 1941)</small> (Rendahl's messmate)
The name derives from Ancient Greek (', "viper") and (', "tooth").
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