Rhynchobdellida
leech order
Quick Summary
The Rhynchobdellida are an order of leeches. These leeches are characterized by an exsertile proboscis, meaning they have a retractable tube that can be extended. They lack jaws and possess colorless blood. Members of this order can be found in both freshwater and marine environments. Some Rhynchobdellida, like the giant Amazon leech, use their proboscis to feed on blood.123
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