The phylum Echinodermata...- ELEUTHEROZOA
- SUPERCLASS ASTEROZOA
- CLASS ASTEROIDEA
- CLASS OPHIUROIDEA
- SUPERCLASS ECHINOZOA
- CLASS ECHINOIDEA
- CLASS HOLOTHUROIDEA
- PELMATOZOA
Resources:- Echinodermata - "Shape of Life" series by PBS
- Sea Urchin Development - From an introductory Biology course at Cornell University
- Monterey Bay Aquarium - Bat Star, Brittle Stars, Sand Dollars,Sea Urchins
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The class of Sea Stars and Starfishes...Organisms: - ORDER PERIPODIDA
- SUPERORDER FORCIPULATACEA
- ORDER BRISINGIDA
- ORDER FORCIPULATIDA
- ORDER NOTOMYOTIDA
- SUPERORDER SPINULOSACEA
- ORDER SPINULOSIDA
- ORDER VELATIDA
- SUPERORDER VALVATACEA
- ORDER PAXILLOSIDA
- ORDER VALVATIDA
The class of Brittlestars...Organisms: - SUBCLASS OPHIURIDEA
- ORDER EURYALIDA
- ORDER OPHIURIDA
The class of Sea Urchins...Organisms: - ORDER ECHINOTHUROIDA
- ORDER PEDINOIDA
- SUBCLASS EUECHINOIDEA
- ORDER HOLASTEROIDA
- SUPERORDER ATELOSTOMATA
- ORDER CASSIDULOIDA
- ORDER SPATANGOIDA
- SUPERORDER DIADEMATACEA
- ORDER DIADEMATOIDA
- ORDER ECHINOTHURIOIDA
- ORDER PHYMOSOMATOIDA
- SUPERORDER ECHINACEA
- ORDER ARBACOIDA
- ORDER ECHINOIDA
- ORDER TEMNOPLEUROIDA
- SUPERORDER GNATHOSTOMATA
- SUBCLASS PERISCHOECHINOIDEA
The class of Sea Cucumbers...Organisms: - SUBCLASS APODACEA
- ORDER APODIDA
- ORDER MOLPADIIDA
- ORDER POLYCHEIRA
- SUBCLASS ASPIDOCHIROTACEA
- ORDER ASPIDOCHIROTIDA
- ORDER ELASIPODIDA
- SUBCLASS DENDROCHIROTACEA
The class of Feather Stars and Sea Lilies...Organisms: - ORDER BOURGUETICRINIDA
- ORDER COMATULIDA
- ORDER CYRTOCRINIDA
- ORDER HYOCRINIDA
- ORDER ISOCRINIDA
- ORDER MILLERICRINIDA
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