• Root
• Nature
• Animals
• Segmented Worms
• Worms
• Glossiphoniidae

	Parent	Category	Figures
1	Placobdella	parasitica	32
2	Placobdella	costata	6
3	Placobdella	rugosa	2
4	Placobdella	papillifera	2
5	Placobdella	hollensis	1