Echinoidea Echinodermata Animalia Flora and Fauna

Echinoidea

• Top/Science/Biology/Developmental Biology/Model Organisms/Sea Urchin

• - A page from the Laboratory of Embryonic Gene Expression, included here for three beautiful photographs.
  
• - Information about sea urchins, such as how they live, feed, and reproduce. There is also an alphabetic listing of their taxa. From The Natural History Museum, London.
  
• - Laboratory modules using sea urchin eggs to explore fertilization and development.
  
• - Personal marine biology site with photomicrographs of urchin (Paracentrotus lividus) development.
  
• - Brief description and photographs of sea urchins.
  
• - The anatomy of a sand dollar.
  
• - Photos of Echinoidea from the Indo-Pacific, with text about behavior, habitat, and characteristics.
  
• - Information on purple sea urchins and sea urchin fertilization.
  
  

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