Athropoda
- "Arthro" = jointed
- "poda"=foot
- Segmented body
- Jointed appendages
- 'Molle'-soft
- Muscular foot
- Radela
- Mantle - produces shell of present
Molllusca
Echinodermata
- 'Echino'= spiny
- "dermata"= skin
- Tube Fett
- Interal skeletal elements
- Water Vascular Systen
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