Class Maxillopoda

Class Maxillopoda

Class Maxillopoda

Subclass Thecostraca
- Order Ascothoracica (50 species)
- Order Rhizocephala (230 species)
Subclass Cirripedia
Barnacle
- Order Pygophora (1+ families, 2+ genera)
- Order Apygophora (1+ families, 1+ genera, 2+ species)
- Order Pedunculata (8+ families, 31+ genera, 57+ species)
- Order Sessilia (2+ suborders, 12+ families, 24+ genera, 46+ species)
Subclass Tantulocarida (10 species)
Subclass Ostracoda (2000+ species)
- Order Bradoriida*
- Order Phosphatocopida*
- Order Leperditicopida*
- Order Beyrichicopida*
- Order Myodocopida
- Order Halocyprida
- Order Cladocopida
- Order Platycopida
- Order Podocopida
Subclass Branchiura
- Order Arguloida (150 species)
  Fish Lice
Subclass Skaracarida*
Subclass Copepoda (10000 species)
- Order Calanoida
- Order Misophrioida
- Order Mormonilloida
- Order Harpacticoida
- Order Cyclopoida
- Order Poecilostomatoida
- Order Siphonostomatoida
- Order Monstrilloida
Subclass Mystacocarida

*extinct

[ RA] { EB}