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|Noun||1.||ganoid fish - primitive fishes having thick bony scales with a shiny covering|
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