Arhynchobdellae

Arhynchobdellae

[¦ā‚riŋ′käb·də‚lē]
(invertebrate zoology)
An order of annelids in the class Hirudinea characterized by the lack of an eversible proboscis; includes most of the important leech parasites of human and warm-blooded animals.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.