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Related to Polyodon: paddlefish, Lepisosteus, Acipenser
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Noun1.Polyodon - type genus of the PolyodontidaePolyodon - type genus of the Polyodontidae  
fish genus - any of various genus of fish
duckbill, paddlefish, Polyodon spathula - primitive fish of the Mississippi valley having a long paddle-shaped snout
References in periodicals archive ?
Such was Rutter's first introduction to the paddlefish, Polyodon spathula, a species he would later study in depth while employed as an Assistant with the USFC.
In their natural beds, Argopecten purpuratus are mostly preyed on by the sea star Mevenaster gelatinosus, but also by fast-moving predators such as the crabs Cancer polyodon and Cranopsis porteri (Ortiz et al.
Palmer Distribution: Ma/H (I) Asplenium polyodon G.
rhombifer Mouth Parker, 1941 Diclybothrium Polyodon Intestine Bangham & hamulatus spathula Venard, 1942 Diplostomum Didelphis Intestine Byrd et al.
Polyodon spathula or Ictiobus niger are large-bodied adult fish and difficult to capture with a seine, Amia calva, Hybognathus nuchalis, or Phoxinus erythrogaster have a limited distribution, Notropis ortenburgeri or Noturus miurus occur in small numbers, Erimyzon oblongus, Etheostoma microperca, or Lythrurus fumeus are only in specific habitat types, and two were subspecies of Etheostoma spectabile and Luxilus chrysocephalus.
Polychlorinated biphenyls and chlordane in the gonads of paddlefish, Polyodon spathula, from the Ohio River.