Fishes Class Actinopterygii Woodward, 1891 - ray-finned fishes Order Osmeriformes - freshwater smelts see Suborder Osmeroidei 01 Family Argentinidae Bonaparte, 1838 - argentines 02 Family Microstomatidae 03 Family Bathylagidae - deepsea smelts see Subfamily Bathylaginae 04 Family Opisthoproctidae - spookfishes 05 Family Alepocephalidae - slickheads 06 Family Platytroctidae - tubeshoulders 07 Family Leptochilichthyidae - leptochilichthyids 08 Family Lepidogalaxiidae - salamanderfishes see Subfamily Lepidogalaxiinae 09 Family Osmeridae Regan, 1913 - smelts 10 Family Plecoglossidae - ayu fishes see Subfamily Plecoglossinae 11 Family Salangidae - icefishes see Tribe Salangini 12 Family Retropinnidae - New Zealand smelts 13 Family Galaxiidae - galaxiids