Primitive fish of the Mississippi valley having a long paddle-shaped snout

WordNet Word definitions in WordNet
n. primitive fish of the Mississippi valley having a long paddle-shaped snout [syn: duckbill , Polyodon spathula ] [also: paddlefishes (pl)]

Wikipedia Word definitions in Wikipedia
Paddlefish (family Polyodontidae ) are basal Chondrostean ray-finned fish . They have been referred to as " primitive fish " because they have evolved with few morphological changes since the earliest fossil records of the Late Cretaceous , seventy to seventy-five ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Paddlefish \Pad"dle*fish`\, n. (Zo["o]l) A large ganoid fish ( Polyodon spathula ) found in the rivers of the Mississippi Valley. It has a long spatula-shaped snout. Called also duck-billed cat , and spoonbill sturgeon .

Wiktionary Word definitions in Wiktionary
n. Any of several primitive fish, of the family (l mul Polyodontidae), that have a long snout shaped like a paddle.