Osmeriformes

Osmeriformes: Maxilla included in gape of mouth (the toothless maxilla is excluded from the gape in Protroctes and Lovettia and almost so in Aplochiton; adipose fin present or absent; radii absent on scales; loss of basisphenoid and orbitosphenoid bones. Osmeriforms spawn in freshwater except the Argentinoidei, Osmerus eperlanus, and perhaps one or two salangids.
 * See Fishbase

Families in this order:
 * Alepocephalidae
 * Argentinidae
 * Bathylaconidae
 * Bathylagidae
 * Galaxiidae
 * Lepidogalaxiidae
 * Leptochilichthyidae
 * Microstomatidae
 * Opisthoproctidae
 * Osmeridae
 * Platytroctidae
 * Plecoglossidae
 * Retropinnidae
 * Salangidae