Echinodermata Characteristics
Characteristics found in no other phylum
- Endoskeleton composed of plates or ossicles
Often spiny - Dermal branchiae
Respiration occurs in the tube feet, respiratory tree (holothuroids), or bursae (ophiuroids) - Water vascular system
- Pedicellariae
Small pincer (plier like) projects on the surface of many enchinoderms
