Major Groups | Hirudinea (leeches) Note: Key from Govedich 2001 |
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1. Body margins not parallel through entire length; small mouth pore located in the centre OR near anterior end of the anterior sucker; eyes (E), IF present, near dorsal centreline
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-Body margins parallel through almost entire length; large mouth pore, filling entire anterior sucker; eyes (E), IF present, along dorsal margin of head area
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