Aspidonectus ferox
Trionyx Tri*on"yx, n. [NL., fr. Gr. ? (see {Tri-}) + ? a claw.] (Zo["o]l.) 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]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Trionyx ferox — Trionyx Tri*on yx, n. [NL., fr. Gr. ? (see {Tri }) + ? a claw.] (Zo[ o]l.) 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.… …   The Collaborative International Dictionary of English

  • mud turtle — Trionyx Tri*on yx, n. [NL., fr. Gr. ? (see {Tri }) + ? a claw.] (Zo[ o]l.) 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.… …   The Collaborative International Dictionary of English

  • soft tortoise — Trionyx Tri*on yx, n. [NL., fr. Gr. ? (see {Tri }) + ? a claw.] (Zo[ o]l.) 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.… …   The Collaborative International Dictionary of English

  • soft-shell tortoise — Trionyx Tri*on yx, n. [NL., fr. Gr. ? (see {Tri }) + ? a claw.] (Zo[ o]l.) 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.… …   The Collaborative International Dictionary of English

  • Trionyx — Tri*on yx, n. [NL., fr. Gr. ? (see {Tri }) + ? a claw.] (Zo[ o]l.) 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… …   The Collaborative International Dictionary of English

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