The Fleas (Siphonaptera) - order
(Ceratophyllomorpha) - suborder
()

()

()

()

()
(Hystrichopsyllomorpha) - suborder
()

()

()

()

()
(Pulicomorpha) - suborder
()

()

()

()

()
(Pygiopsyllomorpha) - suborder
()

()

()

()

()