Psednos is a genus of snailfishes found in all the world's oceans.
Species
There are currently 35 recognized species in this genus:
- Psednos andriashevi <small>Chernova, 2001</small> (Andriashev's dwarf snailfish)
- Psednos anoderkes <small>Chernova & Stein, 2002</small>
- Psednos argyrogaster <small>Stein, 2012</small>
- Psednos balushkini <small>Stein, Chernova & Andriashev, 2001</small> (Palemouth snailfish)
- Psednos barnardi <small>Chernova, 2001</small> (Blackchin dwarf snailfish)
- Psednos carolinae <small>Stein, 2005</small>
- Psednos cathetostomus <small>Chernova & Stein, 2002</small>
- Psednos chathami <small>Stein, 2012</small>
- Psednos christinae <small>Andriashev, 1992</small> (European dwarf snailfish)
- Psednos cryptocaeca <small>Stein, 2012</small>
- Psednos delawarei <small>Chernova & Stein, 2002</small>
- Psednos dentatus <small>Chernova & Stein, 2002</small>
- Psednos gelatinosus <small>Chernova, 2001</small> (Gelatinous dwarf snailfish)
- Psednos griseus <small>Chernova & Stein, 2002</small>
- Psednos groenlandicus <small>Chernova, 2001</small> (Greenland dwarf snailfish)
- Psednos gulliensis <small>Chernova & Lujan, 2025</small>
- Psednos harteli <small>Chernova, 2001</small> (Hartel's dwarf snailfish)
- Psednos islandicus <small>Chernova & Stein, 2002</small>
- Psednos longiventris <small>Stein, 2012</small>
- Psednos melanocephalus <small>Chernova & Stein, 2002</small>
- Psednos mexicanus <small>Chernova & Stein, 2002</small>
- Psednos microps <small>Chernova, 2001</small> (Smalleye dwarf snailfish)
- Psednos microstomus <small>Stein, 2012</small>
- Psednos micruroides <small>Chernova, 2001</small> (Multipore dwarf snailfish)
- Psednos micrurus <small>Barnard, 1927</small> (Barnard's dwarf snailfish)
- Psednos mirabilis <small>Chernova, 2001</small> (Marvelous dwarf snailfish)
- Psednos nataliae <small>Stein & Andriyashev, 2001</small> (Darkgill snailfish)
- Psednos nemnezi <small>Stein, 2012</small>ç
- Psednos pallidus <small>Chernova & Stein, 2002</small>
- Psednos platyoperculosus <small>Stein, 2012</small>
- Psednos sargassicus <small>Chernova, 2001</small> (Sargasso dwarf snailfish)
- Psednos spirohira <small>Chernova & Stein, 2002</small>
- Psednos steini <small>Chernova, 2001</small> (Stein's dwarf snailfish)
- Psednos struthersi <small>Stein, 2012</small>
- Psednos whitleyi <small>Stein, Chernova & Andriashev, 2001</small> (Bigcheek snailfish)
References