This classification of echinoderms, points to the detailed section of each species. Species shown in red are species endemic to New zealand, not found anywhere else.

SUBPHYLUM Echinodermata

• Sub class
• Order or Super order
• Family
• Sub-family
• Genus - species

• Crinoidea: sea lilies and feather stars
• Holothuroidea: sea cucumbers
• Aspidochirota: Stichopus
• Dendrochirota: Ocnus
• Apoda: Trochodota, etc.
• Echinoidea: sea urchins
• Diadematoida: long-spined urchins, needle urchins
• Echinoida: regular urchins
• Clypeasteroida: sand dollars, cake urchins
• Spatangoida: heart urchins
• Asteroidea: starfishes
• Phanerozona: Astropecten, Luidia
• Spinulosida: Asterina, etc
• Echinaster: (mainly warmer waters)
• Henricia: (mainly colder waters)
• Notomyotida
• Brisingida: (plankton feeders)
• Velatida
• Forcipulatida: (flexible, armed stars) Stichaster,
• Paxillosida: (mainly on soft bottom sediments)
• Valvatida: Asterodiscus truncatus (firebrick star),
• Ophiuroidea: brittle stars, snake stars