ANNELIDES – vers à anneaux
![Sangsue](http://upload.wikimedia.org/wikipedia/commons/thumb/0/00/Leech_blutegel.jpg/128px-Leech_blutegel.jpg)
Haemopis sanguisuga
|
ECHINODERMES
peau renforcée de plaques ou hérissée de piquants
![Echinoderme](http://upload.wikimedia.org/wikipedia/commons/thumb/9/9b/Tripneustes_ventricosus_%28West_Indian_Sea_Egg-top%29_and_Echinometra_viridis_%28Reef_Urchin_-_bottom%29.jpg/128px-Tripneustes_ventricosus_%28West_Indian_Sea_Egg-top%29_and_Echinometra_viridis_%28Reef_Urchin_-_bottom%29.jpg)
Echinometra viridis
|
ARTHROPODES – squelette externe et pattes articulées
CRUSTACES
![crustacé](http://upload.wikimedia.org/wikipedia/commons/thumb/d/dd/Liocarcinus_marmoreus_2.jpg/128px-Liocarcinus_marmoreus_2.jpg)
Liocarcinus marmoreus
|
INSECTES
![Insecte](http://upload.wikimedia.org/wikipedia/commons/thumb/5/55/Insecte_130702.jpg/128px-Insecte_130702.jpg)
Paracorymbia fulva
|
MYRIAPODES
![scolopendre](http://upload.wikimedia.org/wikipedia/commons/thumb/d/db/Scolopendra_cingulata_-_D7-08-2291.JPG/128px-Scolopendra_cingulata_-_D7-08-2291.JPG)
Scolopendra cingulata
|
ARACHNIDES
![Arachnide](http://upload.wikimedia.org/wikipedia/commons/thumb/2/28/Metellina_mengei_%28aka%29.jpg/128px-Metellina_mengei_%28aka%29.jpg)
Metellina mengei
|
|