Osteoglossiformes, meaning "bony tongues" in Ancient Greek, is a relatively primitive order of ray-finned fish that contains two sub-orders, the Osteoglossoidei and the Notopteroidei. All of at least

The family Notopteridae contains 11 species of osteoglossiform fishes, commonly known as featherbacks and knifefishes. These fishes live in freshwater or brackish environments in Africa and West, Sout