the world > animals > fish > class Osteichthyes or Teleostomi > subclass Actinopterygii > [noun] > infraclass Chondrostei > order Acipenseriformes > member of family Polydontidae (4)
Either of two large freshwater fishes with very long, flat snouts, related to and resembling sturgeons and constituting the family Polyodontidae…
Ichthyology. (See quots.)