trionyx ferox

1 definition found

trionyx ferox - Collaborative International Dictionary of English v.0.48 :

  Trionyx \Tri*on"yx\, n. [NL., fr. Gr. ? (see Tri-) + ? a
     claw.] (Zool.)
     A genus of fresh-water or river turtles which have the shell
     imperfectly developed and covered with a soft leathery skin.
     They are noted for their agility and rapacity. Called also
     soft tortoise, soft-shell tortoise, and mud turtle.
     [1913 Webster]
  
     Note: The common American species (Trionyx ferox syn.
           Aspidonectus ferox) becomes over a foot in length and
           is very voracious. Similar species are found in Asia
           and Africa.
           [1913 Webster]