Psednos

Psednos is a genus of snailfishes found in all the world's oceans.

Species
There are currently 34 recognized species in this genus:
 * Psednos andriashevi Chernova, 2001 (Andriashev's dwarf snailfish)
 * Psednos anoderkes Chernova & Stein, 2002
 * Psednos argyrogaster Stein, 2012
 * Psednos balushkini Stein, Chernova & Andriashev, 2001 (Palemouth snailfish)
 * Psednos barnardi Chernova, 2001 (Blackchin dwarf snailfish)
 * Psednos carolinae Stein, 2005
 * Psednos cathetostomus Chernova & Stein, 2002
 * Psednos chathami Stein, 2012
 * Psednos christinae Andriashev, 1992 (European dwarf snailfish)
 * Psednos cryptocaeca Stein, 2012
 * Psednos delawarei Chernova & Stein, 2002
 * Psednos dentatus Chernova & Stein, 2002
 * Psednos gelatinosus Chernova, 2001 (Gelatinous dwarf snailfish)
 * Psednos griseus Chernova & Stein, 2002
 * Psednos groenlandicus Chernova, 2001 (Greenland dwarf snailfish)
 * Psednos harteli Chernova, 2001 (Hartel's dwarf snailfish)
 * Psednos islandicus Chernova & Stein, 2002
 * Psednos longiventris Stein, 2012
 * Psednos melanocephalus Chernova & Stein, 2002
 * Psednos mexicanus Chernova & Stein, 2002
 * Psednos microps Chernova, 2001 (Smalleye dwarf snailfish)
 * Psednos microstomus Stein, 2012
 * Psednos micruroides Chernova, 2001 (Multipore dwarf snailfish)
 * Psednos micrurus Barnard, 1927 (Barnard's dwarf snailfish)
 * Psednos mirabilis Chernova, 2001 (Marvelous dwarf snailfish)
 * Psednos nataliae Stein & Andriyashev, 2001 (Darkgill snailfish)
 * Psednos nemnezi Stein, 2012 §
 * Psednos pallidus Chernova & Stein, 2002
 * Psednos platyoperculosus Stein, 2012
 * Psednos sargassicus Chernova, 2001 (Sargasso dwarf snailfish)
 * Psednos spirohira Chernova & Stein, 2002
 * Psednos steini Chernova, 2001 (Stein's dwarf snailfish)
 * Psednos struthersi Stein, 2012
 * Psednos whitleyi Stein, Chernova & Andriashev, 2001 (Bigcheek snailfish)