资料来源 : Webster's Revised Unabridged Dictionary (1913)

Rhynchobdellea \Rhyn`chob*del"le*a\, n. pl. [NL., fr. Gr.
   "ry`gchos snout + ??? a leech.] (Zo["o]l.)
   A suborder of leeches including those that have a protractile
   proboscis, without jaws. Clepsine is the type.