Unique Characteristics:
-Water vascular system is a network of hidraulic canals branching into extensions called tube feet.
-Tube feet that functions for locomotion,feeding and gas exchange.
-Slow moving or sessile.
-Simple nervous system without brain
Classification of Echinodermata:
-Class Holothuroidea (sea cucumber, Holothuria sp.)
-Class Echinoidea (sea urchin, Diadema sp.)
-Class Asteroidea (starfish, Asterias sp.)
Scientific name: Holothuria sp.
Class: Holothuroidea
Phylum: Echinodermata
Kingdom: Animalia
Domain: Eukarya
Scientific name: Diadema sp.
Class: Echinoidea
Phylum: Echinodermata
Kingdom: Animalia
Domain: Eukarya
Scientific name: Asterias sp.
Class: Asteroidea
Phylum: Echinodermata
Kingdom: Animalia
Domain: Eukarya
FACTS OF ECHINODERMATA
- Echinoderms All Feature Radial Symmetry.
- An Echinoderm Can Regenerate Its Body Parts.
- Echinoderms Don’t Have Blood.
- Some Echinoderms Feed By Ejecting Their Stomachs.
- Echinoderms Have No Eyes.