Echinodermata

Echinodermata 
Yuli - 10 Centaurus

Kingdom: Animalia

Phylum: Echinodermata

• Don’t have heart, brain and eyes
• Complete digestive system
• Living in marine environments
• Reproduction normally sexual and gonochoristic
• Feeds fine particles in the water, detritus or other animals

Subphylum Crinozoa
Class Crinoidea	Sea Lilies and Feather Stars
Subphylum Asterozoa
Class Ophiuroidea	Brittle Stars
Class Asteroidea  Subphylum Echinozoa	Sea Stars, Starfish and Sand Dollars
Class Echinoidea	Sea Urchins, Sea Biscuits and Sand Dollars
Class Holothuroidea	Sea Cucumbers
Species: Nardoa Varliota (Starfish), Fromia Monilis (Necklace sea star), etc around 7000 living species Benefit Echinoderms plays important role in marine environment because they eat dead materials (decompose) which keeps the marine environment clean, help to prevent contamination. They also help to improve fertility in farming.

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