Hymenolepis nana

Hymenolepis nana is also known as dwarf tapeworm.

Remember this - Somebodythought that the name Hymenolepis is a giant and asked you, "is Hymenolepis a giant tape worm" - You said, " Na Na , it's a dwarf".

Alternatively remember HP Deskjet printers - Hymenolepis nana = Dwarf tapeworm