Noun | 1. | ![]() Ganoidei, order Ganoidei - a group of mostly extinct primitive bony fishes characterized by armor-like bony scales Amia calva, bowfin, dogfish, grindle - primitive long-bodied carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America duckbill, paddlefish, Polyodon spathula - primitive fish of the Mississippi valley having a long paddle-shaped snout Chinese paddlefish, Psephurus gladis - fish of larger rivers of China similar to the Mississippi paddlefish sturgeon - large primitive fishes valued for their flesh and roe; widely distributed in the North Temperate Zone billfish, gar, garfish, garpike, Lepisosteus osseus - primitive predaceous North American fish covered with hard scales and having long jaws with needlelike teeth |