Sand Dollars 31-IV
DEUTEROSTOMIA
Echinodermata
 
 
Eccentric Sand Dollars (Dendraster excentricus)
[© California Academy of Sciences]



Chapter Outline
  1. Description of Deuterostomia
  2. Classification of Deuterostomia
  3. Chaetognatha
  4. Echinodermata
  5. Hemichordata

Tree



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The phylum Echinodermata...

  • ELEUTHEROZOA
    • SUPERCLASS ASTEROZOA
      • CLASS ASTEROIDEA
      • CLASS OPHIUROIDEA
    • SUPERCLASS ECHINOZOA
      • CLASS ECHINOIDEA
      • CLASS HOLOTHUROIDEA
  • PELMATOZOA
    • CLASS CRINOIDEA
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

ASTEROIDEA 

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
Resources:

OPHIUROIDEA 

The class of Brittlestars...

Organisms:

  • SUBCLASS OPHIURIDEA
    • ORDER EURYALIDA
    • ORDER OPHIURIDA
Resources:

ECHINOIDEA 

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
      • ORDER CLYPEASTEROIDA
        • sand dollars
  • SUBCLASS PERISCHOECHINOIDEA
    • ?
Resources:

HOLOTHUROIDEA 

The class of Sea Cucumbers...

Organisms:

  • SUBCLASS APODACEA
    • ORDER APODIDA
    • ORDER MOLPADIIDA
    • ORDER POLYCHEIRA
  • SUBCLASS ASPIDOCHIROTACEA
    • ORDER ASPIDOCHIROTIDA
    • ORDER ELASIPODIDA
  • SUBCLASS DENDROCHIROTACEA
    • ORDER DENDROCHIROTIDA
Resources:

CRINOIDEA 

The class of Feather Stars and Sea Lilies...

Organisms:

  • ORDER BOURGUETICRINIDA
  • ORDER COMATULIDA
  • ORDER CYRTOCRINIDA
  • ORDER HYOCRINIDA
  • ORDER ISOCRINIDA
  • ORDER MILLERICRINIDA
Resources:


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