Clepsine

• (n.) A genus of fresh-water leeches, furnished with a proboscis. They feed upon mollusks and worms.
Found on http://thinkexist.com/dictionary/meaning/clepsine/

Clepsine

Clep'si·ne noun (Zoology) A genus of fresh-water leeches, furnished with a proboscis. They feed upon mollusks and worms.
Found on http://www.encyclo.co.uk/webster/C/90

Clepsine

The clepsine are hirudinea.
Found on http://www.probertencyclopaedia.com/browse/BCA.HTM
No exact match found