Branchiura

Branchiura Temporal range: Carboniferous–Recent PreЄ Є O S D C P T J K Pg N
Argulus sp. on a stickleback
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Crustacea
Class:	Maxillopoda
Subclass:	Branchiura Thorell, 1864
Orders
Arguloida † Cyclida

Branchiura is a group of crustaceans ranked as a subclass of the class Maxillopoda. It comprises the fish lice of the family Argulidae, and the prehistoric Cyclida ("cycloids").