- Pentastomida - Pentastomes
- Branchiopoda - Water Fleas
- Branchiura - Fish Lice
- Cephalocarida - Minute crustacea, horseshoe-shaped carapace
- Cirripedia - Barnacles
- Copepoda - Copepods, minute crustacea, no carapace
- Malacostraca - Wood-lice, crabs, lobster etc.
- Mystacocarida - Minute crustacea, no carapace, no clear body divisions
- Ostracoda - Small, aquatic, valved carapace
- Remipedia -
- and others
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Features:
- Two pairs of antennae
- minimum five pairs of legs
- If body segments are grouped - they are in two segments only (e.g.
shrimps and lobsters)
- Respiration is never by trachae
B502 |
