rhynchobdellida การใช้

• It is rather the proboscis that is the characteristic apomorphy of the Rhynchobdellida.
• They are divided into two groups : Arhynchobdellida and Rhynchobdellida
• "' Rhynchobdellida "', the "'jawless leeches "', are classified as an synonymous with the Hirudinea, as all other leech-like annelids might not be very closely related to the true leeches.