Trionyxn.

/ˈtrʌɪənɪks/

/trʌɪˈəʊnɪks/

Etymology: < modern Latin triōnyx, < Greek τρι- tri- comb. form + ὄνυξ nail; compare Greek τριώνυχος having three nails.

Zoology.

Name of a genus of chelonian reptiles, so called because only three of the five toes have nails. There are several species, including T. triunguis, sinensis, ferox, the Nilotic, Chinese, and American Trionyx.

ΘΚΠ

the world > animals > reptiles > order Chelonia (turtles and tortoises) > [noun] > suborder Cryptodira > member of family Trionychidae (soft-shell)

mud turtle1756

softshell turtle1804

soft tortoise1821

mud terrapin1829

softshell1830

softback1832

Trionyx1835

potamian1851

1835 W. Kirby On Power of God in Creation of Animals II. xxii. 433 The Trionyx, also, a kind of tortoise, devours them [the young crocodiles] as soon as hatched.

1878 F. J. Bell & E. R. Lankester tr. C. Gegenbaur Elements Compar. Anat. 427 These are wanting in Trionyx.

1896 List Anim. Zool. Soc. 570 Trionyx muticus, Unarmed Trionyx; Hab. North America.

This entry has not yet been fully updated (first published 1915; most recently modified version published online March 2022).

单词	trionyx
释义	Trionyxn. /ˈtrʌɪənɪks//trʌɪˈəʊnɪks/ Etymology: < modern Latin triōnyx, < Greek τρι- tri- comb. form + ὄνυξ nail; compare Greek τριώνυχος having three nails. Zoology. Name of a genus of chelonian reptiles, so called because only three of the five toes have nails. There are several species, including T. triunguis, sinensis, ferox, the Nilotic, Chinese, and American Trionyx. ΘΚΠ the world > animals > reptiles > order Chelonia (turtles and tortoises) > [noun] > suborder Cryptodira > member of family Trionychidae (soft-shell) mud turtle1756 softshell turtle1804 soft tortoise1821 mud terrapin1829 softshell1830 softback1832 Trionyx1835 potamian1851 1835 W. Kirby On Power of God in Creation of Animals II. xxii. 433 The Trionyx, also, a kind of tortoise, devours them [the young crocodiles] as soon as hatched. 1878 F. J. Bell & E. R. Lankester tr. C. Gegenbaur Elements Compar. Anat. 427 These are wanting in Trionyx. 1896 List Anim. Zool. Soc. 570 Trionyx muticus, Unarmed Trionyx; Hab. North America. This entry has not yet been fully updated (first published 1915; most recently modified version published online March 2022). < n.1835
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